Home / 1,117,175.76-1,674,451.44-516,868.86

Finding the Fourth Proportional to 1,117,175.76, 1,674,451.44 and 516,868.86

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Solution

The fourth proportional to 1,117,175.76, 1,674,451.44 and 516,868.86 is: 774,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,175.76 : 1,674,451.44 = 516,868.86 : x
  2. Step 2: Convert to fraction form
    1,117,175.76/1,674,451.44 = 516,868.86/x
  3. Step 3: Cross multiply
    1,117,175.76x = 1,674,451.44 × 516,868.86
  4. Step 4: Simplify right side
    1,117,175.76x = 865,471,806,918.16
  5. Step 5: Solve for x
    x = 865,471,806,918.16/1,117,175.76
  6. Step 6: Final answer
    x = 774,696.19

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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.