Home / 1,122,743.34-1,549,367.73-613,434.78

Finding the Fourth Proportional to 1,122,743.34, 1,549,367.73 and 613,434.78

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Solution

The fourth proportional to 1,122,743.34, 1,549,367.73 and 613,434.78 is: 846,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,743.34 : 1,549,367.73 = 613,434.78 : x
  2. Step 2: Convert to fraction form
    1,122,743.34/1,549,367.73 = 613,434.78/x
  3. Step 3: Cross multiply
    1,122,743.34x = 1,549,367.73 × 613,434.78
  4. Step 4: Simplify right side
    1,122,743.34x = 950,436,052,591.65
  5. Step 5: Solve for x
    x = 950,436,052,591.65/1,122,743.34
  6. Step 6: Final answer
    x = 846,530.12

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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.