Home / 1,093,021.12-1,508,552.13-663,587.20

Finding the Fourth Proportional to 1,093,021.12, 1,508,552.13 and 663,587.20

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Solution

The fourth proportional to 1,093,021.12, 1,508,552.13 and 663,587.20 is: 915,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,021.12 : 1,508,552.13 = 663,587.20 : x
  2. Step 2: Convert to fraction form
    1,093,021.12/1,508,552.13 = 663,587.20/x
  3. Step 3: Cross multiply
    1,093,021.12x = 1,508,552.13 × 663,587.20
  4. Step 4: Simplify right side
    1,093,021.12x = 1,001,055,884,000.74
  5. Step 5: Solve for x
    x = 1,001,055,884,000.74/1,093,021.12
  6. Step 6: Final answer
    x = 915,861.43

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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.