Home / 1,328,567.70-1,992,851.55-487,010.10

Finding the Fourth Proportional to 1,328,567.70, 1,992,851.55 and 487,010.10

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Solution

The fourth proportional to 1,328,567.70, 1,992,851.55 and 487,010.10 is: 730,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,567.70 : 1,992,851.55 = 487,010.10 : x
  2. Step 2: Convert to fraction form
    1,328,567.70/1,992,851.55 = 487,010.10/x
  3. Step 3: Cross multiply
    1,328,567.70x = 1,992,851.55 × 487,010.10
  4. Step 4: Simplify right side
    1,328,567.70x = 970,538,832,650.66
  5. Step 5: Solve for x
    x = 970,538,832,650.66/1,328,567.70
  6. Step 6: Final answer
    x = 730,515.15

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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.