Home / 838,312.38-1,156,871.22-456,342.02

Finding the Fourth Proportional to 838,312.38, 1,156,871.22 and 456,342.02

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Solution

The fourth proportional to 838,312.38, 1,156,871.22 and 456,342.02 is: 629,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,312.38 : 1,156,871.22 = 456,342.02 : x
  2. Step 2: Convert to fraction form
    838,312.38/1,156,871.22 = 456,342.02/x
  3. Step 3: Cross multiply
    838,312.38x = 1,156,871.22 × 456,342.02
  4. Step 4: Simplify right side
    838,312.38x = 527,928,949,414.66
  5. Step 5: Solve for x
    x = 527,928,949,414.66/838,312.38
  6. Step 6: Final answer
    x = 629,752.06

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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.