Home / 739,239.60-1,108,859.40-707,746.80

Finding the Fourth Proportional to 739,239.60, 1,108,859.40 and 707,746.80

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Solution

The fourth proportional to 739,239.60, 1,108,859.40 and 707,746.80 is: 1,061,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,239.60 : 1,108,859.40 = 707,746.80 : x
  2. Step 2: Convert to fraction form
    739,239.60/1,108,859.40 = 707,746.80/x
  3. Step 3: Cross multiply
    739,239.60x = 1,108,859.40 × 707,746.80
  4. Step 4: Simplify right side
    739,239.60x = 784,791,691,999.92
  5. Step 5: Solve for x
    x = 784,791,691,999.92/739,239.60
  6. Step 6: Final answer
    x = 1,061,620.20

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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.