Home / 838,310.38-1,156,868.46-456,340.02

Finding the Fourth Proportional to 838,310.38, 1,156,868.46 and 456,340.02

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Solution

The fourth proportional to 838,310.38, 1,156,868.46 and 456,340.02 is: 629,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,310.38 : 1,156,868.46 = 456,340.02 : x
  2. Step 2: Convert to fraction form
    838,310.38/1,156,868.46 = 456,340.02/x
  3. Step 3: Cross multiply
    838,310.38x = 1,156,868.46 × 456,340.02
  4. Step 4: Simplify right side
    838,310.38x = 527,925,376,173.77
  5. Step 5: Solve for x
    x = 527,925,376,173.77/838,310.38
  6. Step 6: Final answer
    x = 629,749.30

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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.