Home / 1,412,079.28-1,948,682.34-767,500.96

Finding the Fourth Proportional to 1,412,079.28, 1,948,682.34 and 767,500.96

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Solution

The fourth proportional to 1,412,079.28, 1,948,682.34 and 767,500.96 is: 1,059,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,079.28 : 1,948,682.34 = 767,500.96 : x
  2. Step 2: Convert to fraction form
    1,412,079.28/1,948,682.34 = 767,500.96/x
  3. Step 3: Cross multiply
    1,412,079.28x = 1,948,682.34 × 767,500.96
  4. Step 4: Simplify right side
    1,412,079.28x = 1,495,615,566,685.05
  5. Step 5: Solve for x
    x = 1,495,615,566,685.05/1,412,079.28
  6. Step 6: Final answer
    x = 1,059,158.35

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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.