Home / 1,256,342.56-1,734,060.65-712,796.50

Finding the Fourth Proportional to 1,256,342.56, 1,734,060.65 and 712,796.50

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Solution

The fourth proportional to 1,256,342.56, 1,734,060.65 and 712,796.50 is: 983,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,342.56 : 1,734,060.65 = 712,796.50 : x
  2. Step 2: Convert to fraction form
    1,256,342.56/1,734,060.65 = 712,796.50/x
  3. Step 3: Cross multiply
    1,256,342.56x = 1,734,060.65 × 712,796.50
  4. Step 4: Simplify right side
    1,256,342.56x = 1,236,032,362,107.72
  5. Step 5: Solve for x
    x = 1,236,032,362,107.72/1,256,342.56
  6. Step 6: Final answer
    x = 983,833.87

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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.