Home / 1,285,092.56-1,773,437.64-712,142

Finding the Fourth Proportional to 1,285,092.56, 1,773,437.64 and 712,142

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Solution

The fourth proportional to 1,285,092.56, 1,773,437.64 and 712,142 is: 982,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,092.56 : 1,773,437.64 = 712,142 : x
  2. Step 2: Convert to fraction form
    1,285,092.56/1,773,437.64 = 712,142/x
  3. Step 3: Cross multiply
    1,285,092.56x = 1,773,437.64 × 712,142
  4. Step 4: Simplify right side
    1,285,092.56x = 1,262,939,427,824.88
  5. Step 5: Solve for x
    x = 1,262,939,427,824.88/1,285,092.56
  6. Step 6: Final answer
    x = 982,761.45

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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.