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Finding the Fourth Proportional to 1,358,215, 1,874,395.04 and 754,603

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Solution

The fourth proportional to 1,358,215, 1,874,395.04 and 754,603 is: 1,041,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,215 : 1,874,395.04 = 754,603 : x
  2. Step 2: Convert to fraction form
    1,358,215/1,874,395.04 = 754,603/x
  3. Step 3: Cross multiply
    1,358,215x = 1,874,395.04 × 754,603
  4. Step 4: Simplify right side
    1,358,215x = 1,414,424,120,369.12
  5. Step 5: Solve for x
    x = 1,414,424,120,369.12/1,358,215
  6. Step 6: Final answer
    x = 1,041,384.55

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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.