Home / 755,933.07-1,043,187.66-416,401.32

Finding the Fourth Proportional to 755,933.07, 1,043,187.66 and 416,401.32

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Solution

The fourth proportional to 755,933.07, 1,043,187.66 and 416,401.32 is: 574,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,933.07 : 1,043,187.66 = 416,401.32 : x
  2. Step 2: Convert to fraction form
    755,933.07/1,043,187.66 = 416,401.32/x
  3. Step 3: Cross multiply
    755,933.07x = 1,043,187.66 × 416,401.32
  4. Step 4: Simplify right side
    755,933.07x = 434,384,718,631.71
  5. Step 5: Solve for x
    x = 434,384,718,631.71/755,933.07
  6. Step 6: Final answer
    x = 574,633.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.