Home / 1,340,766.51-1,850,294.25-728,960.46

Finding the Fourth Proportional to 1,340,766.51, 1,850,294.25 and 728,960.46

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Solution

The fourth proportional to 1,340,766.51, 1,850,294.25 and 728,960.46 is: 1,005,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,766.51 : 1,850,294.25 = 728,960.46 : x
  2. Step 2: Convert to fraction form
    1,340,766.51/1,850,294.25 = 728,960.46/x
  3. Step 3: Cross multiply
    1,340,766.51x = 1,850,294.25 × 728,960.46
  4. Step 4: Simplify right side
    1,340,766.51x = 1,348,791,347,615.36
  5. Step 5: Solve for x
    x = 1,348,791,347,615.36/1,340,766.51
  6. Step 6: Final answer
    x = 1,005,985.26

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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.