Home / 1,222,444.91-1,834,874.17-917,779.41

Finding the Fourth Proportional to 1,222,444.91, 1,834,874.17 and 917,779.41

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Solution

The fourth proportional to 1,222,444.91, 1,834,874.17 and 917,779.41 is: 1,377,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,444.91 : 1,834,874.17 = 917,779.41 : x
  2. Step 2: Convert to fraction form
    1,222,444.91/1,834,874.17 = 917,779.41/x
  3. Step 3: Cross multiply
    1,222,444.91x = 1,834,874.17 × 917,779.41
  4. Step 4: Simplify right side
    1,222,444.91x = 1,684,009,730,872.39
  5. Step 5: Solve for x
    x = 1,684,009,730,872.39/1,222,444.91
  6. Step 6: Final answer
    x = 1,377,575.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.