Home / 1,122,744.34-1,549,369.11-613,435.78

Finding the Fourth Proportional to 1,122,744.34, 1,549,369.11 and 613,435.78

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Solution

The fourth proportional to 1,122,744.34, 1,549,369.11 and 613,435.78 is: 846,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,744.34 : 1,549,369.11 = 613,435.78 : x
  2. Step 2: Convert to fraction form
    1,122,744.34/1,549,369.11 = 613,435.78/x
  3. Step 3: Cross multiply
    1,122,744.34x = 1,549,369.11 × 613,435.78
  4. Step 4: Simplify right side
    1,122,744.34x = 950,438,448,500.76
  5. Step 5: Solve for x
    x = 950,438,448,500.76/1,122,744.34
  6. Step 6: Final answer
    x = 846,531.50

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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.