Home / 897,146.17-1,238,046.19-489,251.23

Finding the Fourth Proportional to 897,146.17, 1,238,046.19 and 489,251.23

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Solution

The fourth proportional to 897,146.17, 1,238,046.19 and 489,251.23 is: 675,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,146.17 : 1,238,046.19 = 489,251.23 : x
  2. Step 2: Convert to fraction form
    897,146.17/1,238,046.19 = 489,251.23/x
  3. Step 3: Cross multiply
    897,146.17x = 1,238,046.19 × 489,251.23
  4. Step 4: Simplify right side
    897,146.17x = 605,715,621,254.31
  5. Step 5: Solve for x
    x = 605,715,621,254.31/897,146.17
  6. Step 6: Final answer
    x = 675,158.23

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Double scale
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1.5x scale

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.