Home / 416,021.40-574,045.38-234,719.10

Finding the Fourth Proportional to 416,021.40, 574,045.38 and 234,719.10

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Solution

The fourth proportional to 416,021.40, 574,045.38 and 234,719.10 is: 323,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,021.40 : 574,045.38 = 234,719.10 : x
  2. Step 2: Convert to fraction form
    416,021.40/574,045.38 = 234,719.10/x
  3. Step 3: Cross multiply
    416,021.40x = 574,045.38 × 234,719.10
  4. Step 4: Simplify right side
    416,021.40x = 134,739,414,952.76
  5. Step 5: Solve for x
    x = 134,739,414,952.76/416,021.40
  6. Step 6: Final answer
    x = 323,876.16

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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.