Home / 514,276.25-771,265.44-154,432.57

Finding the Fourth Proportional to 514,276.25, 771,265.44 and 154,432.57

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Solution

The fourth proportional to 514,276.25, 771,265.44 and 154,432.57 is: 231,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,276.25 : 771,265.44 = 154,432.57 : x
  2. Step 2: Convert to fraction form
    514,276.25/771,265.44 = 154,432.57/x
  3. Step 3: Cross multiply
    514,276.25x = 771,265.44 × 154,432.57
  4. Step 4: Simplify right side
    514,276.25x = 119,108,503,279.22
  5. Step 5: Solve for x
    x = 119,108,503,279.22/514,276.25
  6. Step 6: Final answer
    x = 231,604.13

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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.