Home / 1,238,033.07-1,857,214.85-489,904.11

Finding the Fourth Proportional to 1,238,033.07, 1,857,214.85 and 489,904.11

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Solution

The fourth proportional to 1,238,033.07, 1,857,214.85 and 489,904.11 is: 734,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,033.07 : 1,857,214.85 = 489,904.11 : x
  2. Step 2: Convert to fraction form
    1,238,033.07/1,857,214.85 = 489,904.11/x
  3. Step 3: Cross multiply
    1,238,033.07x = 1,857,214.85 × 489,904.11
  4. Step 4: Simplify right side
    1,238,033.07x = 909,857,188,168.03
  5. Step 5: Solve for x
    x = 909,857,188,168.03/1,238,033.07
  6. Step 6: Final answer
    x = 734,921.55

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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.