Home / 1,286,934.69-1,775,969.19-706,161.65

Finding the Fourth Proportional to 1,286,934.69, 1,775,969.19 and 706,161.65

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Solution

The fourth proportional to 1,286,934.69, 1,775,969.19 and 706,161.65 is: 974,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,934.69 : 1,775,969.19 = 706,161.65 : x
  2. Step 2: Convert to fraction form
    1,286,934.69/1,775,969.19 = 706,161.65/x
  3. Step 3: Cross multiply
    1,286,934.69x = 1,775,969.19 × 706,161.65
  4. Step 4: Simplify right side
    1,286,934.69x = 1,254,121,324,679.72
  5. Step 5: Solve for x
    x = 1,254,121,324,679.72/1,286,934.69
  6. Step 6: Final answer
    x = 974,502.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.