Home / 1,096,606.40-1,644,909.60-386,706.20

Finding the Fourth Proportional to 1,096,606.40, 1,644,909.60 and 386,706.20

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Solution

The fourth proportional to 1,096,606.40, 1,644,909.60 and 386,706.20 is: 580,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,606.40 : 1,644,909.60 = 386,706.20 : x
  2. Step 2: Convert to fraction form
    1,096,606.40/1,644,909.60 = 386,706.20/x
  3. Step 3: Cross multiply
    1,096,606.40x = 1,644,909.60 × 386,706.20
  4. Step 4: Simplify right side
    1,096,606.40x = 636,096,740,759.52
  5. Step 5: Solve for x
    x = 636,096,740,759.52/1,096,606.40
  6. Step 6: Final answer
    x = 580,059.30

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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.