Home / 838,146.32-1,156,641.90-456,175.84

Finding the Fourth Proportional to 838,146.32, 1,156,641.90 and 456,175.84

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Solution

The fourth proportional to 838,146.32, 1,156,641.90 and 456,175.84 is: 629,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,146.32 : 1,156,641.90 = 456,175.84 : x
  2. Step 2: Convert to fraction form
    838,146.32/1,156,641.90 = 456,175.84/x
  3. Step 3: Cross multiply
    838,146.32x = 1,156,641.90 × 456,175.84
  4. Step 4: Simplify right side
    838,146.32x = 527,632,090,311.70
  5. Step 5: Solve for x
    x = 527,632,090,311.70/838,146.32
  6. Step 6: Final answer
    x = 629,522.65

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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.