Home / 424,755.76-586,152.16-231,155.24

Finding the Fourth Proportional to 424,755.76, 586,152.16 and 231,155.24

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Solution

The fourth proportional to 424,755.76, 586,152.16 and 231,155.24 is: 318,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,755.76 : 586,152.16 = 231,155.24 : x
  2. Step 2: Convert to fraction form
    424,755.76/586,152.16 = 231,155.24/x
  3. Step 3: Cross multiply
    424,755.76x = 586,152.16 × 231,155.24
  4. Step 4: Simplify right side
    424,755.76x = 135,492,143,221.32
  5. Step 5: Solve for x
    x = 135,492,143,221.32/424,755.76
  6. Step 6: Final answer
    x = 318,988.36

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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.