Home / 1,112,166.64-1,667,104.51-437,974.68

Finding the Fourth Proportional to 1,112,166.64, 1,667,104.51 and 437,974.68

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Solution

The fourth proportional to 1,112,166.64, 1,667,104.51 and 437,974.68 is: 656,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,166.64 : 1,667,104.51 = 437,974.68 : x
  2. Step 2: Convert to fraction form
    1,112,166.64/1,667,104.51 = 437,974.68/x
  3. Step 3: Cross multiply
    1,112,166.64x = 1,667,104.51 × 437,974.68
  4. Step 4: Simplify right side
    1,112,166.64x = 730,149,562,126.06
  5. Step 5: Solve for x
    x = 730,149,562,126.06/1,112,166.64
  6. Step 6: Final answer
    x = 656,510.94

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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.