Home / 1,016,842.20-1,403,366.75-587,121.40

Finding the Fourth Proportional to 1,016,842.20, 1,403,366.75 and 587,121.40

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Solution

The fourth proportional to 1,016,842.20, 1,403,366.75 and 587,121.40 is: 810,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,842.20 : 1,403,366.75 = 587,121.40 : x
  2. Step 2: Convert to fraction form
    1,016,842.20/1,403,366.75 = 587,121.40/x
  3. Step 3: Cross multiply
    1,016,842.20x = 1,403,366.75 × 587,121.40
  4. Step 4: Simplify right side
    1,016,842.20x = 823,946,650,973.45
  5. Step 5: Solve for x
    x = 823,946,650,973.45/1,016,842.20
  6. Step 6: Final answer
    x = 810,299.43

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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.