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Finding the Fourth Proportional to 1,097,983.58, 1,639,501.56 and 968,823.45

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Solution

The fourth proportional to 1,097,983.58, 1,639,501.56 and 968,823.45 is: 1,446,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,983.58 : 1,639,501.56 = 968,823.45 : x
  2. Step 2: Convert to fraction form
    1,097,983.58/1,639,501.56 = 968,823.45/x
  3. Step 3: Cross multiply
    1,097,983.58x = 1,639,501.56 × 968,823.45
  4. Step 4: Simplify right side
    1,097,983.58x = 1,588,387,557,639.58
  5. Step 5: Solve for x
    x = 1,588,387,557,639.58/1,097,983.58
  6. Step 6: Final answer
    x = 1,446,640.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.