Home / 1,676,909.80-2,314,132.36-912,961.54

Finding the Fourth Proportional to 1,676,909.80, 2,314,132.36 and 912,961.54

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Solution

The fourth proportional to 1,676,909.80, 2,314,132.36 and 912,961.54 is: 1,259,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,909.80 : 2,314,132.36 = 912,961.54 : x
  2. Step 2: Convert to fraction form
    1,676,909.80/2,314,132.36 = 912,961.54/x
  3. Step 3: Cross multiply
    1,676,909.80x = 2,314,132.36 × 912,961.54
  4. Step 4: Simplify right side
    1,676,909.80x = 2,112,713,843,149.43
  5. Step 5: Solve for x
    x = 2,112,713,843,149.43/1,676,909.80
  6. Step 6: Final answer
    x = 1,259,885.20

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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.