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Finding the Fourth Proportional to 1,797,877.62, 2,693,746.53 and 988,938.72

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Solution

The fourth proportional to 1,797,877.62, 2,693,746.53 and 988,938.72 is: 1,481,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,877.62 : 2,693,746.53 = 988,938.72 : x
  2. Step 2: Convert to fraction form
    1,797,877.62/2,693,746.53 = 988,938.72/x
  3. Step 3: Cross multiply
    1,797,877.62x = 2,693,746.53 × 988,938.72
  4. Step 4: Simplify right side
    1,797,877.62x = 2,663,950,245,382.64
  5. Step 5: Solve for x
    x = 2,663,950,245,382.64/1,797,877.62
  6. Step 6: Final answer
    x = 1,481,719.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.