Home / 727,760.40-1,091,640.60-707,024.40

Finding the Fourth Proportional to 727,760.40, 1,091,640.60 and 707,024.40

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Solution

The fourth proportional to 727,760.40, 1,091,640.60 and 707,024.40 is: 1,060,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,760.40 : 1,091,640.60 = 707,024.40 : x
  2. Step 2: Convert to fraction form
    727,760.40/1,091,640.60 = 707,024.40/x
  3. Step 3: Cross multiply
    727,760.40x = 1,091,640.60 × 707,024.40
  4. Step 4: Simplify right side
    727,760.40x = 771,816,540,230.64
  5. Step 5: Solve for x
    x = 771,816,540,230.64/727,760.40
  6. Step 6: Final answer
    x = 1,060,536.60

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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.