Home / 638,227.04-881,044.36-454,583.84

Finding the Fourth Proportional to 638,227.04, 881,044.36 and 454,583.84

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Solution

The fourth proportional to 638,227.04, 881,044.36 and 454,583.84 is: 627,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,227.04 : 881,044.36 = 454,583.84 : x
  2. Step 2: Convert to fraction form
    638,227.04/881,044.36 = 454,583.84/x
  3. Step 3: Cross multiply
    638,227.04x = 881,044.36 × 454,583.84
  4. Step 4: Simplify right side
    638,227.04x = 400,508,522,837.46
  5. Step 5: Solve for x
    x = 400,508,522,837.46/638,227.04
  6. Step 6: Final answer
    x = 627,533.00

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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.