Home / 393,290.23-542,719.59-232,086.46

Finding the Fourth Proportional to 393,290.23, 542,719.59 and 232,086.46

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Solution

The fourth proportional to 393,290.23, 542,719.59 and 232,086.46 is: 320,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,290.23 : 542,719.59 = 232,086.46 : x
  2. Step 2: Convert to fraction form
    393,290.23/542,719.59 = 232,086.46/x
  3. Step 3: Cross multiply
    393,290.23x = 542,719.59 × 232,086.46
  4. Step 4: Simplify right side
    393,290.23x = 125,957,868,415.75
  5. Step 5: Solve for x
    x = 125,957,868,415.75/393,290.23
  6. Step 6: Final answer
    x = 320,266.97

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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.