Home / 585,964.20-878,946.30-191,980.20

Finding the Fourth Proportional to 585,964.20, 878,946.30 and 191,980.20

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Solution

The fourth proportional to 585,964.20, 878,946.30 and 191,980.20 is: 287,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,964.20 : 878,946.30 = 191,980.20 : x
  2. Step 2: Convert to fraction form
    585,964.20/878,946.30 = 191,980.20/x
  3. Step 3: Cross multiply
    585,964.20x = 878,946.30 × 191,980.20
  4. Step 4: Simplify right side
    585,964.20x = 168,740,286,463.26
  5. Step 5: Solve for x
    x = 168,740,286,463.26/585,964.20
  6. Step 6: Final answer
    x = 287,970.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 585,965.20, 878,947.80 and 191,981.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.