Home / 682,897.20-1,025,123.40-402,572.40

Finding the Fourth Proportional to 682,897.20, 1,025,123.40 and 402,572.40

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Solution

The fourth proportional to 682,897.20, 1,025,123.40 and 402,572.40 is: 604,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,897.20 : 1,025,123.40 = 402,572.40 : x
  2. Step 2: Convert to fraction form
    682,897.20/1,025,123.40 = 402,572.40/x
  3. Step 3: Cross multiply
    682,897.20x = 1,025,123.40 × 402,572.40
  4. Step 4: Simplify right side
    682,897.20x = 412,686,387,434.16
  5. Step 5: Solve for x
    x = 412,686,387,434.16/682,897.20
  6. Step 6: Final answer
    x = 604,317.00

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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.