Home / 1,147,542.92-1,583,416.82-638,177.16

Finding the Fourth Proportional to 1,147,542.92, 1,583,416.82 and 638,177.16

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Solution

The fourth proportional to 1,147,542.92, 1,583,416.82 and 638,177.16 is: 880,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,542.92 : 1,583,416.82 = 638,177.16 : x
  2. Step 2: Convert to fraction form
    1,147,542.92/1,583,416.82 = 638,177.16/x
  3. Step 3: Cross multiply
    1,147,542.92x = 1,583,416.82 × 638,177.16
  4. Step 4: Simplify right side
    1,147,542.92x = 1,010,500,449,283.83
  5. Step 5: Solve for x
    x = 1,010,500,449,283.83/1,147,542.92
  6. Step 6: Final answer
    x = 880,577.48

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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.