Home / 817,330.74-1,127,922-454,769.88

Finding the Fourth Proportional to 817,330.74, 1,127,922 and 454,769.88

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Solution

The fourth proportional to 817,330.74, 1,127,922 and 454,769.88 is: 627,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,330.74 : 1,127,922 = 454,769.88 : x
  2. Step 2: Convert to fraction form
    817,330.74/1,127,922 = 454,769.88/x
  3. Step 3: Cross multiply
    817,330.74x = 1,127,922 × 454,769.88
  4. Step 4: Simplify right side
    817,330.74x = 512,944,952,589.36
  5. Step 5: Solve for x
    x = 512,944,952,589.36/817,330.74
  6. Step 6: Final answer
    x = 627,585.54

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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.