Home / 425,631.40-587,397.78-234,644.44

Finding the Fourth Proportional to 425,631.40, 587,397.78 and 234,644.44

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Solution

The fourth proportional to 425,631.40, 587,397.78 and 234,644.44 is: 323,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,631.40 : 587,397.78 = 234,644.44 : x
  2. Step 2: Convert to fraction form
    425,631.40/587,397.78 = 234,644.44/x
  3. Step 3: Cross multiply
    425,631.40x = 587,397.78 × 234,644.44
  4. Step 4: Simplify right side
    425,631.40x = 137,829,623,145.34
  5. Step 5: Solve for x
    x = 137,829,623,145.34/425,631.40
  6. Step 6: Final answer
    x = 323,823.91

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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.