Home / 866,110.94-1,298,938.80-258,755.12

Finding the Fourth Proportional to 866,110.94, 1,298,938.80 and 258,755.12

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Solution

The fourth proportional to 866,110.94, 1,298,938.80 and 258,755.12 is: 388,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,110.94 : 1,298,938.80 = 258,755.12 : x
  2. Step 2: Convert to fraction form
    866,110.94/1,298,938.80 = 258,755.12/x
  3. Step 3: Cross multiply
    866,110.94x = 1,298,938.80 × 258,755.12
  4. Step 4: Simplify right side
    866,110.94x = 336,107,065,066.66
  5. Step 5: Solve for x
    x = 336,107,065,066.66/866,110.94
  6. Step 6: Final answer
    x = 388,064.68

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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.