Home / 1,178,264.34-1,626,015.60-668,977.56

Finding the Fourth Proportional to 1,178,264.34, 1,626,015.60 and 668,977.56

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Solution

The fourth proportional to 1,178,264.34, 1,626,015.60 and 668,977.56 is: 923,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,264.34 : 1,626,015.60 = 668,977.56 : x
  2. Step 2: Convert to fraction form
    1,178,264.34/1,626,015.60 = 668,977.56/x
  3. Step 3: Cross multiply
    1,178,264.34x = 1,626,015.60 × 668,977.56
  4. Step 4: Simplify right side
    1,178,264.34x = 1,087,767,948,609.94
  5. Step 5: Solve for x
    x = 1,087,767,948,609.94/1,178,264.34
  6. Step 6: Final answer
    x = 923,195.17

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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.