Home / 425,154.75-586,714.16-231,563.22

Finding the Fourth Proportional to 425,154.75, 586,714.16 and 231,563.22

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Solution

The fourth proportional to 425,154.75, 586,714.16 and 231,563.22 is: 319,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,154.75 : 586,714.16 = 231,563.22 : x
  2. Step 2: Convert to fraction form
    425,154.75/586,714.16 = 231,563.22/x
  3. Step 3: Cross multiply
    425,154.75x = 586,714.16 × 231,563.22
  4. Step 4: Simplify right side
    425,154.75x = 135,861,419,530.29
  5. Step 5: Solve for x
    x = 135,861,419,530.29/425,154.75
  6. Step 6: Final answer
    x = 319,557.57

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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.