Home / 1,838,298.71-2,757,522.24-640,342.19

Finding the Fourth Proportional to 1,838,298.71, 2,757,522.24 and 640,342.19

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Solution

The fourth proportional to 1,838,298.71, 2,757,522.24 and 640,342.19 is: 960,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,298.71 : 2,757,522.24 = 640,342.19 : x
  2. Step 2: Convert to fraction form
    1,838,298.71/2,757,522.24 = 640,342.19/x
  3. Step 3: Cross multiply
    1,838,298.71x = 2,757,522.24 × 640,342.19
  4. Step 4: Simplify right side
    1,838,298.71x = 1,765,757,816,347.69
  5. Step 5: Solve for x
    x = 1,765,757,816,347.69/1,838,298.71
  6. Step 6: Final answer
    x = 960,539.12

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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.