Home / 585,948.60-878,807.70-191,964.60

Finding the Fourth Proportional to 585,948.60, 878,807.70 and 191,964.60

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Solution

The fourth proportional to 585,948.60, 878,807.70 and 191,964.60 is: 287,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,948.60 : 878,807.70 = 191,964.60 : x
  2. Step 2: Convert to fraction form
    585,948.60/878,807.70 = 191,964.60/x
  3. Step 3: Cross multiply
    585,948.60x = 878,807.70 × 191,964.60
  4. Step 4: Simplify right side
    585,948.60x = 168,699,968,607.42
  5. Step 5: Solve for x
    x = 168,699,968,607.42/585,948.60
  6. Step 6: Final answer
    x = 287,909.16

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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.