Home / 514,084.85-709,445.87-281,532.23

Finding the Fourth Proportional to 514,084.85, 709,445.87 and 281,532.23

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Solution

The fourth proportional to 514,084.85, 709,445.87 and 281,532.23 is: 388,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,084.85 : 709,445.87 = 281,532.23 : x
  2. Step 2: Convert to fraction form
    514,084.85/709,445.87 = 281,532.23/x
  3. Step 3: Cross multiply
    514,084.85x = 709,445.87 × 281,532.23
  4. Step 4: Simplify right side
    514,084.85x = 199,731,876,437.73
  5. Step 5: Solve for x
    x = 199,731,876,437.73/514,084.85
  6. Step 6: Final answer
    x = 388,519.28

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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.