Home / 897,152.49-1,238,066.73-489,253.23

Finding the Fourth Proportional to 897,152.49, 1,238,066.73 and 489,253.23

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Solution

The fourth proportional to 897,152.49, 1,238,066.73 and 489,253.23 is: 675,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,152.49 : 1,238,066.73 = 489,253.23 : x
  2. Step 2: Convert to fraction form
    897,152.49/1,238,066.73 = 489,253.23/x
  3. Step 3: Cross multiply
    897,152.49x = 1,238,066.73 × 489,253.23
  4. Step 4: Simplify right side
    897,152.49x = 605,728,146,608.04
  5. Step 5: Solve for x
    x = 605,728,146,608.04/897,152.49
  6. Step 6: Final answer
    x = 675,167.44

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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.