Home / 731,110.98-1,008,927.45-408,821.70

Finding the Fourth Proportional to 731,110.98, 1,008,927.45 and 408,821.70

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Solution

The fourth proportional to 731,110.98, 1,008,927.45 and 408,821.70 is: 564,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,110.98 : 1,008,927.45 = 408,821.70 : x
  2. Step 2: Convert to fraction form
    731,110.98/1,008,927.45 = 408,821.70/x
  3. Step 3: Cross multiply
    731,110.98x = 1,008,927.45 × 408,821.70
  4. Step 4: Simplify right side
    731,110.98x = 412,471,435,285.67
  5. Step 5: Solve for x
    x = 412,471,435,285.67/731,110.98
  6. Step 6: Final answer
    x = 564,170.76

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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.