Home / 445,153.08-614,308.14-243,944.76

Finding the Fourth Proportional to 445,153.08, 614,308.14 and 243,944.76

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Solution

The fourth proportional to 445,153.08, 614,308.14 and 243,944.76 is: 336,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,153.08 : 614,308.14 = 243,944.76 : x
  2. Step 2: Convert to fraction form
    445,153.08/614,308.14 = 243,944.76/x
  3. Step 3: Cross multiply
    445,153.08x = 614,308.14 × 243,944.76
  4. Step 4: Simplify right side
    445,153.08x = 149,857,251,778.35
  5. Step 5: Solve for x
    x = 149,857,251,778.35/445,153.08
  6. Step 6: Final answer
    x = 336,642.06

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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.