Home / 817,358.55-1,127,884.82-454,783.11

Finding the Fourth Proportional to 817,358.55, 1,127,884.82 and 454,783.11

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Solution

The fourth proportional to 817,358.55, 1,127,884.82 and 454,783.11 is: 627,561.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,358.55 : 1,127,884.82 = 454,783.11 : x
  2. Step 2: Convert to fraction form
    817,358.55/1,127,884.82 = 454,783.11/x
  3. Step 3: Cross multiply
    817,358.55x = 1,127,884.82 × 454,783.11
  4. Step 4: Simplify right side
    817,358.55x = 512,942,963,887.48
  5. Step 5: Solve for x
    x = 512,942,963,887.48/817,358.55
  6. Step 6: Final answer
    x = 627,561.75

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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.