Home / 1,509,994.92-2,083,882.78-865,456.54

Finding the Fourth Proportional to 1,509,994.92, 2,083,882.78 and 865,456.54

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Solution

The fourth proportional to 1,509,994.92, 2,083,882.78 and 865,456.54 is: 1,194,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,994.92 : 2,083,882.78 = 865,456.54 : x
  2. Step 2: Convert to fraction form
    1,509,994.92/2,083,882.78 = 865,456.54/x
  3. Step 3: Cross multiply
    1,509,994.92x = 2,083,882.78 × 865,456.54
  4. Step 4: Simplify right side
    1,509,994.92x = 1,803,509,980,544.38
  5. Step 5: Solve for x
    x = 1,803,509,980,544.38/1,509,994.92
  6. Step 6: Final answer
    x = 1,194,381.49

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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.