Home / 497,917.92-687,043.44-472,697.76

Finding the Fourth Proportional to 497,917.92, 687,043.44 and 472,697.76

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Solution

The fourth proportional to 497,917.92, 687,043.44 and 472,697.76 is: 652,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,917.92 : 687,043.44 = 472,697.76 : x
  2. Step 2: Convert to fraction form
    497,917.92/687,043.44 = 472,697.76/x
  3. Step 3: Cross multiply
    497,917.92x = 687,043.44 × 472,697.76
  4. Step 4: Simplify right side
    497,917.92x = 324,763,895,110.69
  5. Step 5: Solve for x
    x = 324,763,895,110.69/497,917.92
  6. Step 6: Final answer
    x = 652,243.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.