Home / 818,173.14-1,128,112.83-560,175.18

Finding the Fourth Proportional to 818,173.14, 1,128,112.83 and 560,175.18

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Solution

The fourth proportional to 818,173.14, 1,128,112.83 and 560,175.18 is: 772,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,173.14 : 1,128,112.83 = 560,175.18 : x
  2. Step 2: Convert to fraction form
    818,173.14/1,128,112.83 = 560,175.18/x
  3. Step 3: Cross multiply
    818,173.14x = 1,128,112.83 × 560,175.18
  4. Step 4: Simplify right side
    818,173.14x = 631,940,807,605.56
  5. Step 5: Solve for x
    x = 631,940,807,605.56/818,173.14
  6. Step 6: Final answer
    x = 772,380.29

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Double scale
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1.5x scale

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.