Home / 838,082.08-1,156,531.06-456,100.68

Finding the Fourth Proportional to 838,082.08, 1,156,531.06 and 456,100.68

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Solution

The fourth proportional to 838,082.08, 1,156,531.06 and 456,100.68 is: 629,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,082.08 : 1,156,531.06 = 456,100.68 : x
  2. Step 2: Convert to fraction form
    838,082.08/1,156,531.06 = 456,100.68/x
  3. Step 3: Cross multiply
    838,082.08x = 1,156,531.06 × 456,100.68
  4. Step 4: Simplify right side
    838,082.08x = 527,494,602,907.12
  5. Step 5: Solve for x
    x = 527,494,602,907.12/838,082.08
  6. Step 6: Final answer
    x = 629,406.85

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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.