Home / 486,892.32-671,897.66-272,032.39

Finding the Fourth Proportional to 486,892.32, 671,897.66 and 272,032.39

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Solution

The fourth proportional to 486,892.32, 671,897.66 and 272,032.39 is: 375,397.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,892.32 : 671,897.66 = 272,032.39 : x
  2. Step 2: Convert to fraction form
    486,892.32/671,897.66 = 272,032.39/x
  3. Step 3: Cross multiply
    486,892.32x = 671,897.66 × 272,032.39
  4. Step 4: Simplify right side
    486,892.32x = 182,777,923,695.44
  5. Step 5: Solve for x
    x = 182,777,923,695.44/486,892.32
  6. Step 6: Final answer
    x = 375,397.01

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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.