Home / 897,095.17-1,238,021.23-489,219.33

Finding the Fourth Proportional to 897,095.17, 1,238,021.23 and 489,219.33

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Solution

The fourth proportional to 897,095.17, 1,238,021.23 and 489,219.33 is: 675,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,095.17 : 1,238,021.23 = 489,219.33 : x
  2. Step 2: Convert to fraction form
    897,095.17/1,238,021.23 = 489,219.33/x
  3. Step 3: Cross multiply
    897,095.17x = 1,238,021.23 × 489,219.33
  4. Step 4: Simplify right side
    897,095.17x = 605,663,915,443.33
  5. Step 5: Solve for x
    x = 605,663,915,443.33/897,095.17
  6. Step 6: Final answer
    x = 675,138.98

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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.