Home / 445,943.39-615,398.76-241,989.12

Finding the Fourth Proportional to 445,943.39, 615,398.76 and 241,989.12

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Solution

The fourth proportional to 445,943.39, 615,398.76 and 241,989.12 is: 333,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,943.39 : 615,398.76 = 241,989.12 : x
  2. Step 2: Convert to fraction form
    445,943.39/615,398.76 = 241,989.12/x
  3. Step 3: Cross multiply
    445,943.39x = 615,398.76 × 241,989.12
  4. Step 4: Simplify right side
    445,943.39x = 148,919,804,381.49
  5. Step 5: Solve for x
    x = 148,919,804,381.49/445,943.39
  6. Step 6: Final answer
    x = 333,943.30

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Double scale
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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.