Home / 1,088,109.80-1,631,387.10-488,580.20

Finding the Fourth Proportional to 1,088,109.80, 1,631,387.10 and 488,580.20

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Solution

The fourth proportional to 1,088,109.80, 1,631,387.10 and 488,580.20 is: 732,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,109.80 : 1,631,387.10 = 488,580.20 : x
  2. Step 2: Convert to fraction form
    1,088,109.80/1,631,387.10 = 488,580.20/x
  3. Step 3: Cross multiply
    1,088,109.80x = 1,631,387.10 × 488,580.20
  4. Step 4: Simplify right side
    1,088,109.80x = 797,063,435,595.42
  5. Step 5: Solve for x
    x = 797,063,435,595.42/1,088,109.80
  6. Step 6: Final answer
    x = 732,521.14

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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.