Home / 386,387.01-533,232.18-241,278.66

Finding the Fourth Proportional to 386,387.01, 533,232.18 and 241,278.66

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Solution

The fourth proportional to 386,387.01, 533,232.18 and 241,278.66 is: 332,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,387.01 : 533,232.18 = 241,278.66 : x
  2. Step 2: Convert to fraction form
    386,387.01/533,232.18 = 241,278.66/x
  3. Step 3: Cross multiply
    386,387.01x = 533,232.18 × 241,278.66
  4. Step 4: Simplify right side
    386,387.01x = 128,657,545,859.28
  5. Step 5: Solve for x
    x = 128,657,545,859.28/386,387.01
  6. Step 6: Final answer
    x = 332,975.86

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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.