Home / 1,132,871.29-1,563,511.67-680,191.45

Finding the Fourth Proportional to 1,132,871.29, 1,563,511.67 and 680,191.45

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Solution

The fourth proportional to 1,132,871.29, 1,563,511.67 and 680,191.45 is: 938,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,871.29 : 1,563,511.67 = 680,191.45 : x
  2. Step 2: Convert to fraction form
    1,132,871.29/1,563,511.67 = 680,191.45/x
  3. Step 3: Cross multiply
    1,132,871.29x = 1,563,511.67 × 680,191.45
  4. Step 4: Simplify right side
    1,132,871.29x = 1,063,487,269,909.22
  5. Step 5: Solve for x
    x = 1,063,487,269,909.22/1,132,871.29
  6. Step 6: Final answer
    x = 938,753.84

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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.