Home / 1,216,010.70-1,824,016.05-768,113.10

Finding the Fourth Proportional to 1,216,010.70, 1,824,016.05 and 768,113.10

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Solution

The fourth proportional to 1,216,010.70, 1,824,016.05 and 768,113.10 is: 1,152,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,010.70 : 1,824,016.05 = 768,113.10 : x
  2. Step 2: Convert to fraction form
    1,216,010.70/1,824,016.05 = 768,113.10/x
  3. Step 3: Cross multiply
    1,216,010.70x = 1,824,016.05 × 768,113.10
  4. Step 4: Simplify right side
    1,216,010.70x = 1,401,050,622,615.25
  5. Step 5: Solve for x
    x = 1,401,050,622,615.25/1,216,010.70
  6. Step 6: Final answer
    x = 1,152,169.65

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Double scale
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Similar ratio
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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.