Home / 1,083,612.78-1,625,419.89-637,443.66

Finding the Fourth Proportional to 1,083,612.78, 1,625,419.89 and 637,443.66

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Solution

The fourth proportional to 1,083,612.78, 1,625,419.89 and 637,443.66 is: 956,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,612.78 : 1,625,419.89 = 637,443.66 : x
  2. Step 2: Convert to fraction form
    1,083,612.78/1,625,419.89 = 637,443.66/x
  3. Step 3: Cross multiply
    1,083,612.78x = 1,625,419.89 × 637,443.66
  4. Step 4: Simplify right side
    1,083,612.78x = 1,036,113,603,718.40
  5. Step 5: Solve for x
    x = 1,036,113,603,718.40/1,083,612.78
  6. Step 6: Final answer
    x = 956,165.91

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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.