Home / 1,117,442.43-1,542,233.07-627,466.95

Finding the Fourth Proportional to 1,117,442.43, 1,542,233.07 and 627,466.95

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Solution

The fourth proportional to 1,117,442.43, 1,542,233.07 and 627,466.95 is: 865,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,442.43 : 1,542,233.07 = 627,466.95 : x
  2. Step 2: Convert to fraction form
    1,117,442.43/1,542,233.07 = 627,466.95/x
  3. Step 3: Cross multiply
    1,117,442.43x = 1,542,233.07 × 627,466.95
  4. Step 4: Simplify right side
    1,117,442.43x = 967,700,280,622.04
  5. Step 5: Solve for x
    x = 967,700,280,622.04/1,117,442.43
  6. Step 6: Final answer
    x = 865,995.65

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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.