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Finding the Fourth Proportional to 1,358,218, 1,874,399.16 and 754,606

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Solution

The fourth proportional to 1,358,218, 1,874,399.16 and 754,606 is: 1,041,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,218 : 1,874,399.16 = 754,606 : x
  2. Step 2: Convert to fraction form
    1,358,218/1,874,399.16 = 754,606/x
  3. Step 3: Cross multiply
    1,358,218x = 1,874,399.16 × 754,606
  4. Step 4: Simplify right side
    1,358,218x = 1,414,432,852,530.96
  5. Step 5: Solve for x
    x = 1,414,432,852,530.96/1,358,218
  6. Step 6: Final answer
    x = 1,041,388.68

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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.