Home / 774,343.80-1,161,535.14-374,910.12

Finding the Fourth Proportional to 774,343.80, 1,161,535.14 and 374,910.12

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Solution

The fourth proportional to 774,343.80, 1,161,535.14 and 374,910.12 is: 562,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,343.80 : 1,161,535.14 = 374,910.12 : x
  2. Step 2: Convert to fraction form
    774,343.80/1,161,535.14 = 374,910.12/x
  3. Step 3: Cross multiply
    774,343.80x = 1,161,535.14 × 374,910.12
  4. Step 4: Simplify right side
    774,343.80x = 435,471,278,721.62
  5. Step 5: Solve for x
    x = 435,471,278,721.62/774,343.80
  6. Step 6: Final answer
    x = 562,374.59

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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.