Home / 1,068,136.80-1,602,205.20-508,264.80

Finding the Fourth Proportional to 1,068,136.80, 1,602,205.20 and 508,264.80

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Solution

The fourth proportional to 1,068,136.80, 1,602,205.20 and 508,264.80 is: 762,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,136.80 : 1,602,205.20 = 508,264.80 : x
  2. Step 2: Convert to fraction form
    1,068,136.80/1,602,205.20 = 508,264.80/x
  3. Step 3: Cross multiply
    1,068,136.80x = 1,602,205.20 × 508,264.80
  4. Step 4: Simplify right side
    1,068,136.80x = 814,344,505,536.96
  5. Step 5: Solve for x
    x = 814,344,505,536.96/1,068,136.80
  6. Step 6: Final answer
    x = 762,397.20

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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.