Home / 838,310.06-1,156,868.02-456,339.71

Finding the Fourth Proportional to 838,310.06, 1,156,868.02 and 456,339.71

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Solution

The fourth proportional to 838,310.06, 1,156,868.02 and 456,339.71 is: 629,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,310.06 : 1,156,868.02 = 456,339.71 : x
  2. Step 2: Convert to fraction form
    838,310.06/1,156,868.02 = 456,339.71/x
  3. Step 3: Cross multiply
    838,310.06x = 1,156,868.02 × 456,339.71
  4. Step 4: Simplify right side
    838,310.06x = 527,924,820,217.67
  5. Step 5: Solve for x
    x = 527,924,820,217.67/838,310.06
  6. Step 6: Final answer
    x = 629,748.88

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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.