Home / 1,367,214.85-2,050,822.28-420,462.55

Finding the Fourth Proportional to 1,367,214.85, 2,050,822.28 and 420,462.55

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Solution

The fourth proportional to 1,367,214.85, 2,050,822.28 and 420,462.55 is: 630,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,214.85 : 2,050,822.28 = 420,462.55 : x
  2. Step 2: Convert to fraction form
    1,367,214.85/2,050,822.28 = 420,462.55/x
  3. Step 3: Cross multiply
    1,367,214.85x = 2,050,822.28 × 420,462.55
  4. Step 4: Simplify right side
    1,367,214.85x = 862,293,963,343.30
  5. Step 5: Solve for x
    x = 862,293,963,343.30/1,367,214.85
  6. Step 6: Final answer
    x = 630,693.83

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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.