Home / 782,800.30-1,174,200.45-605,434.60

Finding the Fourth Proportional to 782,800.30, 1,174,200.45 and 605,434.60

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Solution

The fourth proportional to 782,800.30, 1,174,200.45 and 605,434.60 is: 908,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,800.30 : 1,174,200.45 = 605,434.60 : x
  2. Step 2: Convert to fraction form
    782,800.30/1,174,200.45 = 605,434.60/x
  3. Step 3: Cross multiply
    782,800.30x = 1,174,200.45 × 605,434.60
  4. Step 4: Simplify right side
    782,800.30x = 710,901,579,765.57
  5. Step 5: Solve for x
    x = 710,901,579,765.57/782,800.30
  6. Step 6: Final answer
    x = 908,151.90

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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.