Home / 407,729.70-562,670.82-237,931.02

Finding the Fourth Proportional to 407,729.70, 562,670.82 and 237,931.02

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Solution

The fourth proportional to 407,729.70, 562,670.82 and 237,931.02 is: 328,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,729.70 : 562,670.82 = 237,931.02 : x
  2. Step 2: Convert to fraction form
    407,729.70/562,670.82 = 237,931.02/x
  3. Step 3: Cross multiply
    407,729.70x = 562,670.82 × 237,931.02
  4. Step 4: Simplify right side
    407,729.70x = 133,876,842,126.84
  5. Step 5: Solve for x
    x = 133,876,842,126.84/407,729.70
  6. Step 6: Final answer
    x = 328,347.04

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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.