Home / 2,238,712.80-3,357,078.48-640,911.84

Finding the Fourth Proportional to 2,238,712.80, 3,357,078.48 and 640,911.84

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Solution

The fourth proportional to 2,238,712.80, 3,357,078.48 and 640,911.84 is: 961,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,712.80 : 3,357,078.48 = 640,911.84 : x
  2. Step 2: Convert to fraction form
    2,238,712.80/3,357,078.48 = 640,911.84/x
  3. Step 3: Cross multiply
    2,238,712.80x = 3,357,078.48 × 640,911.84
  4. Step 4: Simplify right side
    2,238,712.80x = 2,151,591,345,641.20
  5. Step 5: Solve for x
    x = 2,151,591,345,641.20/2,238,712.80
  6. Step 6: Final answer
    x = 961,084.13

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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.