Home / 976,422.80-1,465,498.20-576,563.60

Finding the Fourth Proportional to 976,422.80, 1,465,498.20 and 576,563.60

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Solution

The fourth proportional to 976,422.80, 1,465,498.20 and 576,563.60 is: 865,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,422.80 : 1,465,498.20 = 576,563.60 : x
  2. Step 2: Convert to fraction form
    976,422.80/1,465,498.20 = 576,563.60/x
  3. Step 3: Cross multiply
    976,422.80x = 1,465,498.20 × 576,563.60
  4. Step 4: Simplify right side
    976,422.80x = 844,952,917,985.52
  5. Step 5: Solve for x
    x = 844,952,917,985.52/976,422.80
  6. Step 6: Final answer
    x = 865,355.58

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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.