Home / 516,037.20-772,500.60-453,829.20

Finding the Fourth Proportional to 516,037.20, 772,500.60 and 453,829.20

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Solution

The fourth proportional to 516,037.20, 772,500.60 and 453,829.20 is: 679,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,037.20 : 772,500.60 = 453,829.20 : x
  2. Step 2: Convert to fraction form
    516,037.20/772,500.60 = 453,829.20/x
  3. Step 3: Cross multiply
    516,037.20x = 772,500.60 × 453,829.20
  4. Step 4: Simplify right side
    516,037.20x = 350,583,329,297.52
  5. Step 5: Solve for x
    x = 350,583,329,297.52/516,037.20
  6. Step 6: Final answer
    x = 679,376.08

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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.