Home / 1,319,886.71-1,821,443.66-716,274.71

Finding the Fourth Proportional to 1,319,886.71, 1,821,443.66 and 716,274.71

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Solution

The fourth proportional to 1,319,886.71, 1,821,443.66 and 716,274.71 is: 988,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,886.71 : 1,821,443.66 = 716,274.71 : x
  2. Step 2: Convert to fraction form
    1,319,886.71/1,821,443.66 = 716,274.71/x
  3. Step 3: Cross multiply
    1,319,886.71x = 1,821,443.66 × 716,274.71
  4. Step 4: Simplify right side
    1,319,886.71x = 1,304,654,026,175.69
  5. Step 5: Solve for x
    x = 1,304,654,026,175.69/1,319,886.71
  6. Step 6: Final answer
    x = 988,459.10

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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.