Home / 814,177.26-1,123,699.14-451,717.74

Finding the Fourth Proportional to 814,177.26, 1,123,699.14 and 451,717.74

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Solution

The fourth proportional to 814,177.26, 1,123,699.14 and 451,717.74 is: 623,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,177.26 : 1,123,699.14 = 451,717.74 : x
  2. Step 2: Convert to fraction form
    814,177.26/1,123,699.14 = 451,717.74/x
  3. Step 3: Cross multiply
    814,177.26x = 1,123,699.14 × 451,717.74
  4. Step 4: Simplify right side
    814,177.26x = 507,594,835,960.74
  5. Step 5: Solve for x
    x = 507,594,835,960.74/814,177.26
  6. Step 6: Final answer
    x = 623,445.12

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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.