Home / 1,223,078.05-1,834,617.08-656,207.65

Finding the Fourth Proportional to 1,223,078.05, 1,834,617.08 and 656,207.65

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Solution

The fourth proportional to 1,223,078.05, 1,834,617.08 and 656,207.65 is: 984,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,078.05 : 1,834,617.08 = 656,207.65 : x
  2. Step 2: Convert to fraction form
    1,223,078.05/1,834,617.08 = 656,207.65/x
  3. Step 3: Cross multiply
    1,223,078.05x = 1,834,617.08 × 656,207.65
  4. Step 4: Simplify right side
    1,223,078.05x = 1,203,889,759,435.62
  5. Step 5: Solve for x
    x = 1,203,889,759,435.62/1,223,078.05
  6. Step 6: Final answer
    x = 984,311.48

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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.