Home / 1,256,342.31-1,734,060.30-712,796.25

Finding the Fourth Proportional to 1,256,342.31, 1,734,060.30 and 712,796.25

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Solution

The fourth proportional to 1,256,342.31, 1,734,060.30 and 712,796.25 is: 983,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,342.31 : 1,734,060.30 = 712,796.25 : x
  2. Step 2: Convert to fraction form
    1,256,342.31/1,734,060.30 = 712,796.25/x
  3. Step 3: Cross multiply
    1,256,342.31x = 1,734,060.30 × 712,796.25
  4. Step 4: Simplify right side
    1,256,342.31x = 1,236,031,679,113.88
  5. Step 5: Solve for x
    x = 1,236,031,679,113.88/1,256,342.31
  6. Step 6: Final answer
    x = 983,833.52

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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.