Home / 838,309.94-1,156,867.85-456,339.59

Finding the Fourth Proportional to 838,309.94, 1,156,867.85 and 456,339.59

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Solution

The fourth proportional to 838,309.94, 1,156,867.85 and 456,339.59 is: 629,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,309.94 : 1,156,867.85 = 456,339.59 : x
  2. Step 2: Convert to fraction form
    838,309.94/1,156,867.85 = 456,339.59/x
  3. Step 3: Cross multiply
    838,309.94x = 1,156,867.85 × 456,339.59
  4. Step 4: Simplify right side
    838,309.94x = 527,924,600,353.18
  5. Step 5: Solve for x
    x = 527,924,600,353.18/838,309.94
  6. Step 6: Final answer
    x = 629,748.71

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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.