Home / 785,140.10-1,177,710.15-732,652.10

Finding the Fourth Proportional to 785,140.10, 1,177,710.15 and 732,652.10

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Solution

The fourth proportional to 785,140.10, 1,177,710.15 and 732,652.10 is: 1,098,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,140.10 : 1,177,710.15 = 732,652.10 : x
  2. Step 2: Convert to fraction form
    785,140.10/1,177,710.15 = 732,652.10/x
  3. Step 3: Cross multiply
    785,140.10x = 1,177,710.15 × 732,652.10
  4. Step 4: Simplify right side
    785,140.10x = 862,851,814,588.82
  5. Step 5: Solve for x
    x = 862,851,814,588.82/785,140.10
  6. Step 6: Final answer
    x = 1,098,978.15

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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.