Home / 688,003.10-1,032,004.65-614,519.90

Finding the Fourth Proportional to 688,003.10, 1,032,004.65 and 614,519.90

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Solution

The fourth proportional to 688,003.10, 1,032,004.65 and 614,519.90 is: 921,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,003.10 : 1,032,004.65 = 614,519.90 : x
  2. Step 2: Convert to fraction form
    688,003.10/1,032,004.65 = 614,519.90/x
  3. Step 3: Cross multiply
    688,003.10x = 1,032,004.65 × 614,519.90
  4. Step 4: Simplify right side
    688,003.10x = 634,187,394,317.54
  5. Step 5: Solve for x
    x = 634,187,394,317.54/688,003.10
  6. Step 6: Final answer
    x = 921,779.85

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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.