Home / 715,756.87-1,073,649.16-572,939.29

Finding the Fourth Proportional to 715,756.87, 1,073,649.16 and 572,939.29

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Solution

The fourth proportional to 715,756.87, 1,073,649.16 and 572,939.29 is: 859,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,756.87 : 1,073,649.16 = 572,939.29 : x
  2. Step 2: Convert to fraction form
    715,756.87/1,073,649.16 = 572,939.29/x
  3. Step 3: Cross multiply
    715,756.87x = 1,073,649.16 × 572,939.29
  4. Step 4: Simplify right side
    715,756.87x = 615,135,789,497.73
  5. Step 5: Solve for x
    x = 615,135,789,497.73/715,756.87
  6. Step 6: Final answer
    x = 859,420.03

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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.