Home / 1,059,515.17-1,589,272.75-311,561.17

Finding the Fourth Proportional to 1,059,515.17, 1,589,272.75 and 311,561.17

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Solution

The fourth proportional to 1,059,515.17, 1,589,272.75 and 311,561.17 is: 467,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,515.17 : 1,589,272.75 = 311,561.17 : x
  2. Step 2: Convert to fraction form
    1,059,515.17/1,589,272.75 = 311,561.17/x
  3. Step 3: Cross multiply
    1,059,515.17x = 1,589,272.75 × 311,561.17
  4. Step 4: Simplify right side
    1,059,515.17x = 495,155,673,855.39
  5. Step 5: Solve for x
    x = 495,155,673,855.39/1,059,515.17
  6. Step 6: Final answer
    x = 467,341.75

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Double scale
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Similar ratio
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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.