Home / 838,148.43-1,156,669.40-456,199.95

Finding the Fourth Proportional to 838,148.43, 1,156,669.40 and 456,199.95

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Solution

The fourth proportional to 838,148.43, 1,156,669.40 and 456,199.95 is: 629,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,148.43 : 1,156,669.40 = 456,199.95 : x
  2. Step 2: Convert to fraction form
    838,148.43/1,156,669.40 = 456,199.95/x
  3. Step 3: Cross multiply
    838,148.43x = 1,156,669.40 × 456,199.95
  4. Step 4: Simplify right side
    838,148.43x = 527,672,520,165.53
  5. Step 5: Solve for x
    x = 527,672,520,165.53/838,148.43
  6. Step 6: Final answer
    x = 629,569.30

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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.