Home / 1,928,161.79-2,891,660.37-579,966.49

Finding the Fourth Proportional to 1,928,161.79, 2,891,660.37 and 579,966.49

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Solution

The fourth proportional to 1,928,161.79, 2,891,660.37 and 579,966.49 is: 869,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,161.79 : 2,891,660.37 = 579,966.49 : x
  2. Step 2: Convert to fraction form
    1,928,161.79/2,891,660.37 = 579,966.49/x
  3. Step 3: Cross multiply
    1,928,161.79x = 2,891,660.37 × 579,966.49
  4. Step 4: Simplify right side
    1,928,161.79x = 1,677,066,115,061.00
  5. Step 5: Solve for x
    x = 1,677,066,115,061.00/1,928,161.79
  6. Step 6: Final answer
    x = 869,774.58

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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.