Home / 7,001,217.20-10,501,825.80-1,682,433.20

Finding the Fourth Proportional to 7,001,217.20, 10,501,825.80 and 1,682,433.20

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Solution

The fourth proportional to 7,001,217.20, 10,501,825.80 and 1,682,433.20 is: 2,523,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,217.20 : 10,501,825.80 = 1,682,433.20 : x
  2. Step 2: Convert to fraction form
    7,001,217.20/10,501,825.80 = 1,682,433.20/x
  3. Step 3: Cross multiply
    7,001,217.20x = 10,501,825.80 × 1,682,433.20
  4. Step 4: Simplify right side
    7,001,217.20x = 17,668,620,386,536.56
  5. Step 5: Solve for x
    x = 17,668,620,386,536.56/7,001,217.20
  6. Step 6: Final answer
    x = 2,523,649.80

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Similar ratio
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1.5x scale

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.