Home / 1,132,869.29-1,563,508.91-680,189.45

Finding the Fourth Proportional to 1,132,869.29, 1,563,508.91 and 680,189.45

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Solution

The fourth proportional to 1,132,869.29, 1,563,508.91 and 680,189.45 is: 938,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,869.29 : 1,563,508.91 = 680,189.45 : x
  2. Step 2: Convert to fraction form
    1,132,869.29/1,563,508.91 = 680,189.45/x
  3. Step 3: Cross multiply
    1,132,869.29x = 1,563,508.91 × 680,189.45
  4. Step 4: Simplify right side
    1,132,869.29x = 1,063,482,259,445.93
  5. Step 5: Solve for x
    x = 1,063,482,259,445.93/1,132,869.29
  6. Step 6: Final answer
    x = 938,751.08

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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.