Home / 1,865,497.62-2,798,215.05-840,257.59

Finding the Fourth Proportional to 1,865,497.62, 2,798,215.05 and 840,257.59

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Solution

The fourth proportional to 1,865,497.62, 2,798,215.05 and 840,257.59 is: 1,260,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,497.62 : 2,798,215.05 = 840,257.59 : x
  2. Step 2: Convert to fraction form
    1,865,497.62/2,798,215.05 = 840,257.59/x
  3. Step 3: Cross multiply
    1,865,497.62x = 2,798,215.05 × 840,257.59
  4. Step 4: Simplify right side
    1,865,497.62x = 2,351,221,434,214.73
  5. Step 5: Solve for x
    x = 2,351,221,434,214.73/1,865,497.62
  6. Step 6: Final answer
    x = 1,260,372.25

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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.