Home / 1,191,132.36-1,786,694.29-517,125.69

Finding the Fourth Proportional to 1,191,132.36, 1,786,694.29 and 517,125.69

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Solution

The fourth proportional to 1,191,132.36, 1,786,694.29 and 517,125.69 is: 775,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,132.36 : 1,786,694.29 = 517,125.69 : x
  2. Step 2: Convert to fraction form
    1,191,132.36/1,786,694.29 = 517,125.69/x
  3. Step 3: Cross multiply
    1,191,132.36x = 1,786,694.29 × 517,125.69
  4. Step 4: Simplify right side
    1,191,132.36x = 923,945,516,242.50
  5. Step 5: Solve for x
    x = 923,945,516,242.50/1,191,132.36
  6. Step 6: Final answer
    x = 775,686.69

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Double scale
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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.