Home / 838,274.52-1,156,771.92-456,278.52

Finding the Fourth Proportional to 838,274.52, 1,156,771.92 and 456,278.52

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Solution

The fourth proportional to 838,274.52, 1,156,771.92 and 456,278.52 is: 629,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,274.52 : 1,156,771.92 = 456,278.52 : x
  2. Step 2: Convert to fraction form
    838,274.52/1,156,771.92 = 456,278.52/x
  3. Step 3: Cross multiply
    838,274.52x = 1,156,771.92 × 456,278.52
  4. Step 4: Simplify right side
    838,274.52x = 527,810,179,635.16
  5. Step 5: Solve for x
    x = 527,810,179,635.16/838,274.52
  6. Step 6: Final answer
    x = 629,638.82

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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.