Home / 1,039,819.28-1,434,182.96-657,477

Finding the Fourth Proportional to 1,039,819.28, 1,434,182.96 and 657,477

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Solution

The fourth proportional to 1,039,819.28, 1,434,182.96 and 657,477 is: 906,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,819.28 : 1,434,182.96 = 657,477 : x
  2. Step 2: Convert to fraction form
    1,039,819.28/1,434,182.96 = 657,477/x
  3. Step 3: Cross multiply
    1,039,819.28x = 1,434,182.96 × 657,477
  4. Step 4: Simplify right side
    1,039,819.28x = 942,942,311,635.61
  5. Step 5: Solve for x
    x = 942,942,311,635.61/1,039,819.28
  6. Step 6: Final answer
    x = 906,832.88

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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.