Home / 1,172,079.65-1,755,844.61-863,771.70

Finding the Fourth Proportional to 1,172,079.65, 1,755,844.61 and 863,771.70

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Solution

The fourth proportional to 1,172,079.65, 1,755,844.61 and 863,771.70 is: 1,293,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,079.65 : 1,755,844.61 = 863,771.70 : x
  2. Step 2: Convert to fraction form
    1,172,079.65/1,755,844.61 = 863,771.70/x
  3. Step 3: Cross multiply
    1,172,079.65x = 1,755,844.61 × 863,771.70
  4. Step 4: Simplify right side
    1,172,079.65x = 1,516,648,883,715.54
  5. Step 5: Solve for x
    x = 1,516,648,883,715.54/1,172,079.65
  6. Step 6: Final answer
    x = 1,293,981.08

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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.