Home / 856,657.49-1,182,161.52-469,468.17

Finding the Fourth Proportional to 856,657.49, 1,182,161.52 and 469,468.17

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Solution

The fourth proportional to 856,657.49, 1,182,161.52 and 469,468.17 is: 647,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,657.49 : 1,182,161.52 = 469,468.17 : x
  2. Step 2: Convert to fraction form
    856,657.49/1,182,161.52 = 469,468.17/x
  3. Step 3: Cross multiply
    856,657.49x = 1,182,161.52 × 469,468.17
  4. Step 4: Simplify right side
    856,657.49x = 554,987,205,438.82
  5. Step 5: Solve for x
    x = 554,987,205,438.82/856,657.49
  6. Step 6: Final answer
    x = 647,851.93

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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.