Home / 1,676,451.28-2,313,552.28-1,187,295.92

Finding the Fourth Proportional to 1,676,451.28, 2,313,552.28 and 1,187,295.92

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Solution

The fourth proportional to 1,676,451.28, 2,313,552.28 and 1,187,295.92 is: 1,638,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,451.28 : 2,313,552.28 = 1,187,295.92 : x
  2. Step 2: Convert to fraction form
    1,676,451.28/2,313,552.28 = 1,187,295.92/x
  3. Step 3: Cross multiply
    1,676,451.28x = 2,313,552.28 × 1,187,295.92
  4. Step 4: Simplify right side
    1,676,451.28x = 2,746,871,182,750.70
  5. Step 5: Solve for x
    x = 2,746,871,182,750.70/1,676,451.28
  6. Step 6: Final answer
    x = 1,638,503.44

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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.