Home / 1,343,087.28-2,014,630.92-921,083.76

Finding the Fourth Proportional to 1,343,087.28, 2,014,630.92 and 921,083.76

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Solution

The fourth proportional to 1,343,087.28, 2,014,630.92 and 921,083.76 is: 1,381,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,087.28 : 2,014,630.92 = 921,083.76 : x
  2. Step 2: Convert to fraction form
    1,343,087.28/2,014,630.92 = 921,083.76/x
  3. Step 3: Cross multiply
    1,343,087.28x = 2,014,630.92 × 921,083.76
  4. Step 4: Simplify right side
    1,343,087.28x = 1,855,643,822,805.86
  5. Step 5: Solve for x
    x = 1,855,643,822,805.86/1,343,087.28
  6. Step 6: Final answer
    x = 1,381,625.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.