Home / 976,350.80-1,465,390.20-576,491.60

Finding the Fourth Proportional to 976,350.80, 1,465,390.20 and 576,491.60

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Solution

The fourth proportional to 976,350.80, 1,465,390.20 and 576,491.60 is: 865,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,350.80 : 1,465,390.20 = 576,491.60 : x
  2. Step 2: Convert to fraction form
    976,350.80/1,465,390.20 = 576,491.60/x
  3. Step 3: Cross multiply
    976,350.80x = 1,465,390.20 × 576,491.60
  4. Step 4: Simplify right side
    976,350.80x = 844,785,141,022.32
  5. Step 5: Solve for x
    x = 844,785,141,022.32/976,350.80
  6. Step 6: Final answer
    x = 865,247.55

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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.