Home / 1,676,749-2,313,909.78-912,807.88

Finding the Fourth Proportional to 1,676,749, 2,313,909.78 and 912,807.88

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Solution

The fourth proportional to 1,676,749, 2,313,909.78 and 912,807.88 is: 1,259,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,749 : 2,313,909.78 = 912,807.88 : x
  2. Step 2: Convert to fraction form
    1,676,749/2,313,909.78 = 912,807.88/x
  3. Step 3: Cross multiply
    1,676,749x = 2,313,909.78 × 912,807.88
  4. Step 4: Simplify right side
    1,676,749x = 2,112,155,080,793.07
  5. Step 5: Solve for x
    x = 2,112,155,080,793.07/1,676,749
  6. Step 6: Final answer
    x = 1,259,672.78

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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.