Home / 814,169.60-1,123,688.52-451,710.20

Finding the Fourth Proportional to 814,169.60, 1,123,688.52 and 451,710.20

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Solution

The fourth proportional to 814,169.60, 1,123,688.52 and 451,710.20 is: 623,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,169.60 : 1,123,688.52 = 451,710.20 : x
  2. Step 2: Convert to fraction form
    814,169.60/1,123,688.52 = 451,710.20/x
  3. Step 3: Cross multiply
    814,169.60x = 1,123,688.52 × 451,710.20
  4. Step 4: Simplify right side
    814,169.60x = 507,581,566,106.90
  5. Step 5: Solve for x
    x = 507,581,566,106.90/814,169.60
  6. Step 6: Final answer
    x = 623,434.68

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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.