Home / 766,706.20-1,150,059.30-346,802.20

Finding the Fourth Proportional to 766,706.20, 1,150,059.30 and 346,802.20

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Solution

The fourth proportional to 766,706.20, 1,150,059.30 and 346,802.20 is: 520,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,706.20 : 1,150,059.30 = 346,802.20 : x
  2. Step 2: Convert to fraction form
    766,706.20/1,150,059.30 = 346,802.20/x
  3. Step 3: Cross multiply
    766,706.20x = 1,150,059.30 × 346,802.20
  4. Step 4: Simplify right side
    766,706.20x = 398,843,095,370.46
  5. Step 5: Solve for x
    x = 398,843,095,370.46/766,706.20
  6. Step 6: Final answer
    x = 520,203.30

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Half scale
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Double scale
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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.