Home / 425,429.02-587,084.50-231,838.46

Finding the Fourth Proportional to 425,429.02, 587,084.50 and 231,838.46

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Solution

The fourth proportional to 425,429.02, 587,084.50 and 231,838.46 is: 319,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,429.02 : 587,084.50 = 231,838.46 : x
  2. Step 2: Convert to fraction form
    425,429.02/587,084.50 = 231,838.46/x
  3. Step 3: Cross multiply
    425,429.02x = 587,084.50 × 231,838.46
  4. Step 4: Simplify right side
    425,429.02x = 136,108,766,369.87
  5. Step 5: Solve for x
    x = 136,108,766,369.87/425,429.02
  6. Step 6: Final answer
    x = 319,932.96

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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.