Home / 838,635.43-1,258,154.24-270,070.11

Finding the Fourth Proportional to 838,635.43, 1,258,154.24 and 270,070.11

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Solution

The fourth proportional to 838,635.43, 1,258,154.24 and 270,070.11 is: 405,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,635.43 : 1,258,154.24 = 270,070.11 : x
  2. Step 2: Convert to fraction form
    838,635.43/1,258,154.24 = 270,070.11/x
  3. Step 3: Cross multiply
    838,635.43x = 1,258,154.24 × 270,070.11
  4. Step 4: Simplify right side
    838,635.43x = 339,789,853,993.77
  5. Step 5: Solve for x
    x = 339,789,853,993.77/838,635.43
  6. Step 6: Final answer
    x = 405,169.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.