Home / 1,117,364.39-1,541,964.10-627,265.79

Finding the Fourth Proportional to 1,117,364.39, 1,541,964.10 and 627,265.79

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Solution

The fourth proportional to 1,117,364.39, 1,541,964.10 and 627,265.79 is: 865,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,364.39 : 1,541,964.10 = 627,265.79 : x
  2. Step 2: Convert to fraction form
    1,117,364.39/1,541,964.10 = 627,265.79/x
  3. Step 3: Cross multiply
    1,117,364.39x = 1,541,964.10 × 627,265.79
  4. Step 4: Simplify right side
    1,117,364.39x = 967,221,329,338.14
  5. Step 5: Solve for x
    x = 967,221,329,338.14/1,117,364.39
  6. Step 6: Final answer
    x = 865,627.49

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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.