Home / 731,142.86-1,093,739.96-618,118.70

Finding the Fourth Proportional to 731,142.86, 1,093,739.96 and 618,118.70

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Solution

The fourth proportional to 731,142.86, 1,093,739.96 and 618,118.70 is: 924,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,142.86 : 1,093,739.96 = 618,118.70 : x
  2. Step 2: Convert to fraction form
    731,142.86/1,093,739.96 = 618,118.70/x
  3. Step 3: Cross multiply
    731,142.86x = 1,093,739.96 × 618,118.70
  4. Step 4: Simplify right side
    731,142.86x = 676,061,118,289.85
  5. Step 5: Solve for x
    x = 676,061,118,289.85/731,142.86
  6. Step 6: Final answer
    x = 924,663.51

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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.