Home / 414,378.18-572,104.76-283,774.46

Finding the Fourth Proportional to 414,378.18, 572,104.76 and 283,774.46

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Solution

The fourth proportional to 414,378.18, 572,104.76 and 283,774.46 is: 391,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,378.18 : 572,104.76 = 283,774.46 : x
  2. Step 2: Convert to fraction form
    414,378.18/572,104.76 = 283,774.46/x
  3. Step 3: Cross multiply
    414,378.18x = 572,104.76 × 283,774.46
  4. Step 4: Simplify right side
    414,378.18x = 162,348,715,053.03
  5. Step 5: Solve for x
    x = 162,348,715,053.03/414,378.18
  6. Step 6: Final answer
    x = 391,788.76

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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.