Home / 1,122,629.90-1,549,225.85-613,335.92

Finding the Fourth Proportional to 1,122,629.90, 1,549,225.85 and 613,335.92

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Solution

The fourth proportional to 1,122,629.90, 1,549,225.85 and 613,335.92 is: 846,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,629.90 : 1,549,225.85 = 613,335.92 : x
  2. Step 2: Convert to fraction form
    1,122,629.90/1,549,225.85 = 613,335.92/x
  3. Step 3: Cross multiply
    1,122,629.90x = 1,549,225.85 × 613,335.92
  4. Step 4: Simplify right side
    1,122,629.90x = 950,195,851,184.72
  5. Step 5: Solve for x
    x = 950,195,851,184.72/1,122,629.90
  6. Step 6: Final answer
    x = 846,401.70

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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.