Home / 785,126.60-1,177,689.90-732,638.60

Finding the Fourth Proportional to 785,126.60, 1,177,689.90 and 732,638.60

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Solution

The fourth proportional to 785,126.60, 1,177,689.90 and 732,638.60 is: 1,098,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,126.60 : 1,177,689.90 = 732,638.60 : x
  2. Step 2: Convert to fraction form
    785,126.60/1,177,689.90 = 732,638.60/x
  3. Step 3: Cross multiply
    785,126.60x = 1,177,689.90 × 732,638.60
  4. Step 4: Simplify right side
    785,126.60x = 862,821,079,570.14
  5. Step 5: Solve for x
    x = 862,821,079,570.14/785,126.60
  6. Step 6: Final answer
    x = 1,098,957.90

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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.