Home / 866,034.96-1,300,230.46-487,222.26

Finding the Fourth Proportional to 866,034.96, 1,300,230.46 and 487,222.26

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Solution

The fourth proportional to 866,034.96, 1,300,230.46 and 487,222.26 is: 731,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,034.96 : 1,300,230.46 = 487,222.26 : x
  2. Step 2: Convert to fraction form
    866,034.96/1,300,230.46 = 487,222.26/x
  3. Step 3: Cross multiply
    866,034.96x = 1,300,230.46 × 487,222.26
  4. Step 4: Simplify right side
    866,034.96x = 633,501,223,851.07
  5. Step 5: Solve for x
    x = 633,501,223,851.07/866,034.96
  6. Step 6: Final answer
    x = 731,496.13

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Double scale
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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.