Home / 1,287,216.24-1,776,352.59-714,255.18

Finding the Fourth Proportional to 1,287,216.24, 1,776,352.59 and 714,255.18

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Solution

The fourth proportional to 1,287,216.24, 1,776,352.59 and 714,255.18 is: 985,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,216.24 : 1,776,352.59 = 714,255.18 : x
  2. Step 2: Convert to fraction form
    1,287,216.24/1,776,352.59 = 714,255.18/x
  3. Step 3: Cross multiply
    1,287,216.24x = 1,776,352.59 × 714,255.18
  4. Step 4: Simplify right side
    1,287,216.24x = 1,268,769,038,913.92
  5. Step 5: Solve for x
    x = 1,268,769,038,913.92/1,287,216.24
  6. Step 6: Final answer
    x = 985,668.92

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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.