Home / 815,716.92-1,125,869.04-453,265.14

Finding the Fourth Proportional to 815,716.92, 1,125,869.04 and 453,265.14

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Solution

The fourth proportional to 815,716.92, 1,125,869.04 and 453,265.14 is: 625,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,716.92 : 1,125,869.04 = 453,265.14 : x
  2. Step 2: Convert to fraction form
    815,716.92/1,125,869.04 = 453,265.14/x
  3. Step 3: Cross multiply
    815,716.92x = 1,125,869.04 × 453,265.14
  4. Step 4: Simplify right side
    815,716.92x = 510,317,188,037.27
  5. Step 5: Solve for x
    x = 510,317,188,037.27/815,716.92
  6. Step 6: Final answer
    x = 625,605.74

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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.