Home / 866,035.96-1,300,231.96-487,223.26

Finding the Fourth Proportional to 866,035.96, 1,300,231.96 and 487,223.26

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Solution

The fourth proportional to 866,035.96, 1,300,231.96 and 487,223.26 is: 731,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,035.96 : 1,300,231.96 = 487,223.26 : x
  2. Step 2: Convert to fraction form
    866,035.96/1,300,231.96 = 487,223.26/x
  3. Step 3: Cross multiply
    866,035.96x = 1,300,231.96 × 487,223.26
  4. Step 4: Simplify right side
    866,035.96x = 633,503,254,307.39
  5. Step 5: Solve for x
    x = 633,503,254,307.39/866,035.96
  6. Step 6: Final answer
    x = 731,497.63

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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.