Home / 838,136.32-1,156,628.12-456,165.84

Finding the Fourth Proportional to 838,136.32, 1,156,628.12 and 456,165.84

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Solution

The fourth proportional to 838,136.32, 1,156,628.12 and 456,165.84 is: 629,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,136.32 : 1,156,628.12 = 456,165.84 : x
  2. Step 2: Convert to fraction form
    838,136.32/1,156,628.12 = 456,165.84/x
  3. Step 3: Cross multiply
    838,136.32x = 1,156,628.12 × 456,165.84
  4. Step 4: Simplify right side
    838,136.32x = 527,614,237,927.42
  5. Step 5: Solve for x
    x = 527,614,237,927.42/838,136.32
  6. Step 6: Final answer
    x = 629,508.86

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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.