Home / 1,001,078.85-1,381,610.16-565,514.55

Finding the Fourth Proportional to 1,001,078.85, 1,381,610.16 and 565,514.55

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Solution

The fourth proportional to 1,001,078.85, 1,381,610.16 and 565,514.55 is: 780,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,078.85 : 1,381,610.16 = 565,514.55 : x
  2. Step 2: Convert to fraction form
    1,001,078.85/1,381,610.16 = 565,514.55/x
  3. Step 3: Cross multiply
    1,001,078.85x = 1,381,610.16 × 565,514.55
  4. Step 4: Simplify right side
    1,001,078.85x = 781,320,647,907.83
  5. Step 5: Solve for x
    x = 781,320,647,907.83/1,001,078.85
  6. Step 6: Final answer
    x = 780,478.63

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1.5x scale

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.