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Finding the Fourth Proportional to 986,304.08, 1,361,229 and 732,380.24

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Solution

The fourth proportional to 986,304.08, 1,361,229 and 732,380.24 is: 1,010,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,304.08 : 1,361,229 = 732,380.24 : x
  2. Step 2: Convert to fraction form
    986,304.08/1,361,229 = 732,380.24/x
  3. Step 3: Cross multiply
    986,304.08x = 1,361,229 × 732,380.24
  4. Step 4: Simplify right side
    986,304.08x = 996,937,221,714.96
  5. Step 5: Solve for x
    x = 996,937,221,714.96/986,304.08
  6. Step 6: Final answer
    x = 1,010,780.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.