Home / 1,319,834.71-1,821,371.87-716,222.71

Finding the Fourth Proportional to 1,319,834.71, 1,821,371.87 and 716,222.71

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Solution

The fourth proportional to 1,319,834.71, 1,821,371.87 and 716,222.71 is: 988,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,834.71 : 1,821,371.87 = 716,222.71 : x
  2. Step 2: Convert to fraction form
    1,319,834.71/1,821,371.87 = 716,222.71/x
  3. Step 3: Cross multiply
    1,319,834.71x = 1,821,371.87 × 716,222.71
  4. Step 4: Simplify right side
    1,319,834.71x = 1,304,507,883,961.19
  5. Step 5: Solve for x
    x = 1,304,507,883,961.19/1,319,834.71
  6. Step 6: Final answer
    x = 988,387.32

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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.