Home / 445,974.17-615,444.76-242,025.13

Finding the Fourth Proportional to 445,974.17, 615,444.76 and 242,025.13

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Solution

The fourth proportional to 445,974.17, 615,444.76 and 242,025.13 is: 333,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,974.17 : 615,444.76 = 242,025.13 : x
  2. Step 2: Convert to fraction form
    445,974.17/615,444.76 = 242,025.13/x
  3. Step 3: Cross multiply
    445,974.17x = 615,444.76 × 242,025.13
  4. Step 4: Simplify right side
    445,974.17x = 148,953,094,969.60
  5. Step 5: Solve for x
    x = 148,953,094,969.60/445,974.17
  6. Step 6: Final answer
    x = 333,994.90

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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.