Home / 817,357.92-1,127,883.96-454,782.48

Finding the Fourth Proportional to 817,357.92, 1,127,883.96 and 454,782.48

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Solution

The fourth proportional to 817,357.92, 1,127,883.96 and 454,782.48 is: 627,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,357.92 : 1,127,883.96 = 454,782.48 : x
  2. Step 2: Convert to fraction form
    817,357.92/1,127,883.96 = 454,782.48/x
  3. Step 3: Cross multiply
    817,357.92x = 1,127,883.96 × 454,782.48
  4. Step 4: Simplify right side
    817,357.92x = 512,941,864,481.02
  5. Step 5: Solve for x
    x = 512,941,864,481.02/817,357.92
  6. Step 6: Final answer
    x = 627,560.89

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1.5x scale

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.