Home / 397,630.50-596,487.21-127,690.46

Finding the Fourth Proportional to 397,630.50, 596,487.21 and 127,690.46

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Solution

The fourth proportional to 397,630.50, 596,487.21 and 127,690.46 is: 191,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,630.50 : 596,487.21 = 127,690.46 : x
  2. Step 2: Convert to fraction form
    397,630.50/596,487.21 = 127,690.46/x
  3. Step 3: Cross multiply
    397,630.50x = 596,487.21 × 127,690.46
  4. Step 4: Simplify right side
    397,630.50x = 76,165,723,246.58
  5. Step 5: Solve for x
    x = 76,165,723,246.58/397,630.50
  6. Step 6: Final answer
    x = 191,549.00

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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.