Home / 744,087.87-1,116,107.10-323,364.15

Finding the Fourth Proportional to 744,087.87, 1,116,107.10 and 323,364.15

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Solution

The fourth proportional to 744,087.87, 1,116,107.10 and 323,364.15 is: 485,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,087.87 : 1,116,107.10 = 323,364.15 : x
  2. Step 2: Convert to fraction form
    744,087.87/1,116,107.10 = 323,364.15/x
  3. Step 3: Cross multiply
    744,087.87x = 1,116,107.10 × 323,364.15
  4. Step 4: Simplify right side
    744,087.87x = 360,909,023,700.47
  5. Step 5: Solve for x
    x = 360,909,023,700.47/744,087.87
  6. Step 6: Final answer
    x = 485,035.49

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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.