Home / 417,418.10-576,038.43-226,432.85

Finding the Fourth Proportional to 417,418.10, 576,038.43 and 226,432.85

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Solution

The fourth proportional to 417,418.10, 576,038.43 and 226,432.85 is: 312,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,418.10 : 576,038.43 = 226,432.85 : x
  2. Step 2: Convert to fraction form
    417,418.10/576,038.43 = 226,432.85/x
  3. Step 3: Cross multiply
    417,418.10x = 576,038.43 × 226,432.85
  4. Step 4: Simplify right side
    417,418.10x = 130,434,020,534.23
  5. Step 5: Solve for x
    x = 130,434,020,534.23/417,418.10
  6. Step 6: Final answer
    x = 312,478.12

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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.