Home / 1,271,505.93-1,754,236.98-812,888.96

Finding the Fourth Proportional to 1,271,505.93, 1,754,236.98 and 812,888.96

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Solution

The fourth proportional to 1,271,505.93, 1,754,236.98 and 812,888.96 is: 1,121,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,505.93 : 1,754,236.98 = 812,888.96 : x
  2. Step 2: Convert to fraction form
    1,271,505.93/1,754,236.98 = 812,888.96/x
  3. Step 3: Cross multiply
    1,271,505.93x = 1,754,236.98 × 812,888.96
  4. Step 4: Simplify right side
    1,271,505.93x = 1,425,999,865,494.56
  5. Step 5: Solve for x
    x = 1,425,999,865,494.56/1,271,505.93
  6. Step 6: Final answer
    x = 1,121,504.69

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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.