Home / 418,186.86-577,126.43-236,900.28

Finding the Fourth Proportional to 418,186.86, 577,126.43 and 236,900.28

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Solution

The fourth proportional to 418,186.86, 577,126.43 and 236,900.28 is: 326,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,186.86 : 577,126.43 = 236,900.28 : x
  2. Step 2: Convert to fraction form
    418,186.86/577,126.43 = 236,900.28/x
  3. Step 3: Cross multiply
    418,186.86x = 577,126.43 × 236,900.28
  4. Step 4: Simplify right side
    418,186.86x = 136,721,412,862.40
  5. Step 5: Solve for x
    x = 136,721,412,862.40/418,186.86
  6. Step 6: Final answer
    x = 326,938.57

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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.