Home / 418,185.86-577,125.05-236,899.28

Finding the Fourth Proportional to 418,185.86, 577,125.05 and 236,899.28

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Solution

The fourth proportional to 418,185.86, 577,125.05 and 236,899.28 is: 326,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,185.86 : 577,125.05 = 236,899.28 : x
  2. Step 2: Convert to fraction form
    418,185.86/577,125.05 = 236,899.28/x
  3. Step 3: Cross multiply
    418,185.86x = 577,125.05 × 236,899.28
  4. Step 4: Simplify right side
    418,185.86x = 136,720,507,630.47
  5. Step 5: Solve for x
    x = 136,720,507,630.47/418,185.86
  6. Step 6: Final answer
    x = 326,937.18

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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.