Home / 1,813,078.19-2,719,321.49-533,386.28

Finding the Fourth Proportional to 1,813,078.19, 2,719,321.49 and 533,386.28

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Solution

The fourth proportional to 1,813,078.19, 2,719,321.49 and 533,386.28 is: 799,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,078.19 : 2,719,321.49 = 533,386.28 : x
  2. Step 2: Convert to fraction form
    1,813,078.19/2,719,321.49 = 533,386.28/x
  3. Step 3: Cross multiply
    1,813,078.19x = 2,719,321.49 × 533,386.28
  4. Step 4: Simplify right side
    1,813,078.19x = 1,450,448,757,411.62
  5. Step 5: Solve for x
    x = 1,450,448,757,411.62/1,813,078.19
  6. Step 6: Final answer
    x = 799,992.39

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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.