Home / 1,284,943.60-1,773,220.44-712,020.88

Finding the Fourth Proportional to 1,284,943.60, 1,773,220.44 and 712,020.88

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Solution

The fourth proportional to 1,284,943.60, 1,773,220.44 and 712,020.88 is: 982,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,943.60 : 1,773,220.44 = 712,020.88 : x
  2. Step 2: Convert to fraction form
    1,284,943.60/1,773,220.44 = 712,020.88/x
  3. Step 3: Cross multiply
    1,284,943.60x = 1,773,220.44 × 712,020.88
  4. Step 4: Simplify right side
    1,284,943.60x = 1,262,569,978,122.79
  5. Step 5: Solve for x
    x = 1,262,569,978,122.79/1,284,943.60
  6. Step 6: Final answer
    x = 982,587.86

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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.