Home / 838,312.44-1,156,871.30-456,342.10

Finding the Fourth Proportional to 838,312.44, 1,156,871.30 and 456,342.10

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Solution

The fourth proportional to 838,312.44, 1,156,871.30 and 456,342.10 is: 629,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,312.44 : 1,156,871.30 = 456,342.10 : x
  2. Step 2: Convert to fraction form
    838,312.44/1,156,871.30 = 456,342.10/x
  3. Step 3: Cross multiply
    838,312.44x = 1,156,871.30 × 456,342.10
  4. Step 4: Simplify right side
    838,312.44x = 527,929,078,471.73
  5. Step 5: Solve for x
    x = 527,929,078,471.73/838,312.44
  6. Step 6: Final answer
    x = 629,752.17

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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.