Home / 866,035.06-1,300,230.62-487,222.36

Finding the Fourth Proportional to 866,035.06, 1,300,230.62 and 487,222.36

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Solution

The fourth proportional to 866,035.06, 1,300,230.62 and 487,222.36 is: 731,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,035.06 : 1,300,230.62 = 487,222.36 : x
  2. Step 2: Convert to fraction form
    866,035.06/1,300,230.62 = 487,222.36/x
  3. Step 3: Cross multiply
    866,035.06x = 1,300,230.62 × 487,222.36
  4. Step 4: Simplify right side
    866,035.06x = 633,501,431,220.66
  5. Step 5: Solve for x
    x = 633,501,431,220.66/866,035.06
  6. Step 6: Final answer
    x = 731,496.29

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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.