Home / 393,341.10-542,670.75-232,115.46

Finding the Fourth Proportional to 393,341.10, 542,670.75 and 232,115.46

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Solution

The fourth proportional to 393,341.10, 542,670.75 and 232,115.46 is: 320,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,341.10 : 542,670.75 = 232,115.46 : x
  2. Step 2: Convert to fraction form
    393,341.10/542,670.75 = 232,115.46/x
  3. Step 3: Cross multiply
    393,341.10x = 542,670.75 × 232,115.46
  4. Step 4: Simplify right side
    393,341.10x = 125,962,270,764.80
  5. Step 5: Solve for x
    x = 125,962,270,764.80/393,341.10
  6. Step 6: Final answer
    x = 320,236.74

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Half scale
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Double scale
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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.