Home / 856,539.93-1,182,024.18-469,364.79

Finding the Fourth Proportional to 856,539.93, 1,182,024.18 and 469,364.79

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Solution

The fourth proportional to 856,539.93, 1,182,024.18 and 469,364.79 is: 647,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,539.93 : 1,182,024.18 = 469,364.79 : x
  2. Step 2: Convert to fraction form
    856,539.93/1,182,024.18 = 469,364.79/x
  3. Step 3: Cross multiply
    856,539.93x = 1,182,024.18 × 469,364.79
  4. Step 4: Simplify right side
    856,539.93x = 554,800,531,020.62
  5. Step 5: Solve for x
    x = 554,800,531,020.62/856,539.93
  6. Step 6: Final answer
    x = 647,722.90

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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.