Home / 407,112.52-561,815.76-237,379.45

Finding the Fourth Proportional to 407,112.52, 561,815.76 and 237,379.45

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Solution

The fourth proportional to 407,112.52, 561,815.76 and 237,379.45 is: 327,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,112.52 : 561,815.76 = 237,379.45 : x
  2. Step 2: Convert to fraction form
    407,112.52/561,815.76 = 237,379.45/x
  3. Step 3: Cross multiply
    407,112.52x = 561,815.76 × 237,379.45
  4. Step 4: Simplify right side
    407,112.52x = 133,363,516,110.13
  5. Step 5: Solve for x
    x = 133,363,516,110.13/407,112.52
  6. Step 6: Final answer
    x = 327,583.92

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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.