Home / 1,191,342.33-1,644,063.27-647,479.50

Finding the Fourth Proportional to 1,191,342.33, 1,644,063.27 and 647,479.50

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Solution

The fourth proportional to 1,191,342.33, 1,644,063.27 and 647,479.50 is: 893,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,342.33 : 1,644,063.27 = 647,479.50 : x
  2. Step 2: Convert to fraction form
    1,191,342.33/1,644,063.27 = 647,479.50/x
  3. Step 3: Cross multiply
    1,191,342.33x = 1,644,063.27 × 647,479.50
  4. Step 4: Simplify right side
    1,191,342.33x = 1,064,497,264,027.97
  5. Step 5: Solve for x
    x = 1,064,497,264,027.97/1,191,342.33
  6. Step 6: Final answer
    x = 893,527.61

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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.