Home / 1,117,830.60-1,542,601.68-627,732

Finding the Fourth Proportional to 1,117,830.60, 1,542,601.68 and 627,732

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Solution

The fourth proportional to 1,117,830.60, 1,542,601.68 and 627,732 is: 866,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,830.60 : 1,542,601.68 = 627,732 : x
  2. Step 2: Convert to fraction form
    1,117,830.60/1,542,601.68 = 627,732/x
  3. Step 3: Cross multiply
    1,117,830.60x = 1,542,601.68 × 627,732
  4. Step 4: Simplify right side
    1,117,830.60x = 968,340,437,789.76
  5. Step 5: Solve for x
    x = 968,340,437,789.76/1,117,830.60
  6. Step 6: Final answer
    x = 866,267.61

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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.