Home / 1,170,087.55-1,755,131.33-540,231.55

Finding the Fourth Proportional to 1,170,087.55, 1,755,131.33 and 540,231.55

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Solution

The fourth proportional to 1,170,087.55, 1,755,131.33 and 540,231.55 is: 810,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,087.55 : 1,755,131.33 = 540,231.55 : x
  2. Step 2: Convert to fraction form
    1,170,087.55/1,755,131.33 = 540,231.55/x
  3. Step 3: Cross multiply
    1,170,087.55x = 1,755,131.33 × 540,231.55
  4. Step 4: Simplify right side
    1,170,087.55x = 948,177,318,859.46
  5. Step 5: Solve for x
    x = 948,177,318,859.46/1,170,087.55
  6. Step 6: Final answer
    x = 810,347.33

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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.