Home / 817,331.01-1,127,922.42-454,770.15

Finding the Fourth Proportional to 817,331.01, 1,127,922.42 and 454,770.15

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Solution

The fourth proportional to 817,331.01, 1,127,922.42 and 454,770.15 is: 627,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,331.01 : 1,127,922.42 = 454,770.15 : x
  2. Step 2: Convert to fraction form
    817,331.01/1,127,922.42 = 454,770.15/x
  3. Step 3: Cross multiply
    817,331.01x = 1,127,922.42 × 454,770.15
  4. Step 4: Simplify right side
    817,331.01x = 512,945,448,131.76
  5. Step 5: Solve for x
    x = 512,945,448,131.76/817,331.01
  6. Step 6: Final answer
    x = 627,585.94

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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.