Home / 445,154.08-614,309.52-243,945.76

Finding the Fourth Proportional to 445,154.08, 614,309.52 and 243,945.76

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Solution

The fourth proportional to 445,154.08, 614,309.52 and 243,945.76 is: 336,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,154.08 : 614,309.52 = 243,945.76 : x
  2. Step 2: Convert to fraction form
    445,154.08/614,309.52 = 243,945.76/x
  3. Step 3: Cross multiply
    445,154.08x = 614,309.52 × 243,945.76
  4. Step 4: Simplify right side
    445,154.08x = 149,858,202,731.64
  5. Step 5: Solve for x
    x = 149,858,202,731.64/445,154.08
  6. Step 6: Final answer
    x = 336,643.44

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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.