Home / 838,134.32-1,156,625.36-456,163.82

Finding the Fourth Proportional to 838,134.32, 1,156,625.36 and 456,163.82

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Solution

The fourth proportional to 838,134.32, 1,156,625.36 and 456,163.82 is: 629,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,134.32 : 1,156,625.36 = 456,163.82 : x
  2. Step 2: Convert to fraction form
    838,134.32/1,156,625.36 = 456,163.82/x
  3. Step 3: Cross multiply
    838,134.32x = 1,156,625.36 × 456,163.82
  4. Step 4: Simplify right side
    838,134.32x = 527,610,642,526.48
  5. Step 5: Solve for x
    x = 527,610,642,526.48/838,134.32
  6. Step 6: Final answer
    x = 629,506.07

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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.