Home / 639,158.22-958,848.06-284,199.92

Finding the Fourth Proportional to 639,158.22, 958,848.06 and 284,199.92

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Solution

The fourth proportional to 639,158.22, 958,848.06 and 284,199.92 is: 426,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,158.22 : 958,848.06 = 284,199.92 : x
  2. Step 2: Convert to fraction form
    639,158.22/958,848.06 = 284,199.92/x
  3. Step 3: Cross multiply
    639,158.22x = 958,848.06 × 284,199.92
  4. Step 4: Simplify right side
    639,158.22x = 272,504,541,811.35
  5. Step 5: Solve for x
    x = 272,504,541,811.35/639,158.22
  6. Step 6: Final answer
    x = 426,349.12

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1.5x scale

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.