Home / 1,319,767-1,821,283.32-716,155

Finding the Fourth Proportional to 1,319,767, 1,821,283.32 and 716,155

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Solution

The fourth proportional to 1,319,767, 1,821,283.32 and 716,155 is: 988,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,767 : 1,821,283.32 = 716,155 : x
  2. Step 2: Convert to fraction form
    1,319,767/1,821,283.32 = 716,155/x
  3. Step 3: Cross multiply
    1,319,767x = 1,821,283.32 × 716,155
  4. Step 4: Simplify right side
    1,319,767x = 1,304,321,156,034.60
  5. Step 5: Solve for x
    x = 1,304,321,156,034.60/1,319,767
  6. Step 6: Final answer
    x = 988,296.54

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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.