Home / 931,603.77-1,396,880.73-324,113.49

Finding the Fourth Proportional to 931,603.77, 1,396,880.73 and 324,113.49

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Solution

The fourth proportional to 931,603.77, 1,396,880.73 and 324,113.49 is: 485,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,603.77 : 1,396,880.73 = 324,113.49 : x
  2. Step 2: Convert to fraction form
    931,603.77/1,396,880.73 = 324,113.49/x
  3. Step 3: Cross multiply
    931,603.77x = 1,396,880.73 × 324,113.49
  4. Step 4: Simplify right side
    931,603.77x = 452,747,888,514.05
  5. Step 5: Solve for x
    x = 452,747,888,514.05/931,603.77
  6. Step 6: Final answer
    x = 485,987.61

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Double scale
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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.