Home / 1,294,703.79-1,942,061.82-396,144.09

Finding the Fourth Proportional to 1,294,703.79, 1,942,061.82 and 396,144.09

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Solution

The fourth proportional to 1,294,703.79, 1,942,061.82 and 396,144.09 is: 594,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,703.79 : 1,942,061.82 = 396,144.09 : x
  2. Step 2: Convert to fraction form
    1,294,703.79/1,942,061.82 = 396,144.09/x
  3. Step 3: Cross multiply
    1,294,703.79x = 1,942,061.82 × 396,144.09
  4. Step 4: Simplify right side
    1,294,703.79x = 769,336,312,407.64
  5. Step 5: Solve for x
    x = 769,336,312,407.64/1,294,703.79
  6. Step 6: Final answer
    x = 594,218.01

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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.