Home / 817,358.92-1,127,885.34-454,783.48

Finding the Fourth Proportional to 817,358.92, 1,127,885.34 and 454,783.48

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Solution

The fourth proportional to 817,358.92, 1,127,885.34 and 454,783.48 is: 627,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,358.92 : 1,127,885.34 = 454,783.48 : x
  2. Step 2: Convert to fraction form
    817,358.92/1,127,885.34 = 454,783.48/x
  3. Step 3: Cross multiply
    817,358.92x = 1,127,885.34 × 454,783.48
  4. Step 4: Simplify right side
    817,358.92x = 512,943,619,966.18
  5. Step 5: Solve for x
    x = 512,943,619,966.18/817,358.92
  6. Step 6: Final answer
    x = 627,562.27

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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.