Home / 817,001.76-1,127,446.26-454,417.82

Finding the Fourth Proportional to 817,001.76, 1,127,446.26 and 454,417.82

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Solution

The fourth proportional to 817,001.76, 1,127,446.26 and 454,417.82 is: 627,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,001.76 : 1,127,446.26 = 454,417.82 : x
  2. Step 2: Convert to fraction form
    817,001.76/1,127,446.26 = 454,417.82/x
  3. Step 3: Cross multiply
    817,001.76x = 1,127,446.26 × 454,417.82
  4. Step 4: Simplify right side
    817,001.76x = 512,331,665,999.12
  5. Step 5: Solve for x
    x = 512,331,665,999.12/817,001.76
  6. Step 6: Final answer
    x = 627,087.59

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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.