Home / 856,723.94-1,182,317.42-474,726.12

Finding the Fourth Proportional to 856,723.94, 1,182,317.42 and 474,726.12

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Solution

The fourth proportional to 856,723.94, 1,182,317.42 and 474,726.12 is: 655,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,723.94 : 1,182,317.42 = 474,726.12 : x
  2. Step 2: Convert to fraction form
    856,723.94/1,182,317.42 = 474,726.12/x
  3. Step 3: Cross multiply
    856,723.94x = 1,182,317.42 × 474,726.12
  4. Step 4: Simplify right side
    856,723.94x = 561,276,962,591.83
  5. Step 5: Solve for x
    x = 561,276,962,591.83/856,723.94
  6. Step 6: Final answer
    x = 655,143.31

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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.