Home / 1,900,522.56-2,851,376.76-638,404.92

Finding the Fourth Proportional to 1,900,522.56, 2,851,376.76 and 638,404.92

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Solution

The fourth proportional to 1,900,522.56, 2,851,376.76 and 638,404.92 is: 957,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,522.56 : 2,851,376.76 = 638,404.92 : x
  2. Step 2: Convert to fraction form
    1,900,522.56/2,851,376.76 = 638,404.92/x
  3. Step 3: Cross multiply
    1,900,522.56x = 2,851,376.76 × 638,404.92
  4. Step 4: Simplify right side
    1,900,522.56x = 1,820,332,952,357.66
  5. Step 5: Solve for x
    x = 1,820,332,952,357.66/1,900,522.56
  6. Step 6: Final answer
    x = 957,806.55

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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.