Home / 1,223,456.25-1,835,574.39-513,293.61

Finding the Fourth Proportional to 1,223,456.25, 1,835,574.39 and 513,293.61

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Solution

The fourth proportional to 1,223,456.25, 1,835,574.39 and 513,293.61 is: 770,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,456.25 : 1,835,574.39 = 513,293.61 : x
  2. Step 2: Convert to fraction form
    1,223,456.25/1,835,574.39 = 513,293.61/x
  3. Step 3: Cross multiply
    1,223,456.25x = 1,835,574.39 × 513,293.61
  4. Step 4: Simplify right side
    1,223,456.25x = 942,188,605,066.65
  5. Step 5: Solve for x
    x = 942,188,605,066.65/1,223,456.25
  6. Step 6: Final answer
    x = 770,104.04

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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.