Home / 440,826.12-608,390.94-247,287.12

Finding the Fourth Proportional to 440,826.12, 608,390.94 and 247,287.12

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Solution

The fourth proportional to 440,826.12, 608,390.94 and 247,287.12 is: 341,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,826.12 : 608,390.94 = 247,287.12 : x
  2. Step 2: Convert to fraction form
    440,826.12/608,390.94 = 247,287.12/x
  3. Step 3: Cross multiply
    440,826.12x = 608,390.94 × 247,287.12
  4. Step 4: Simplify right side
    440,826.12x = 150,447,243,386.69
  5. Step 5: Solve for x
    x = 150,447,243,386.69/440,826.12
  6. Step 6: Final answer
    x = 341,284.78

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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.