Home / 1,903,065.28-2,854,713.21-765,823.12

Finding the Fourth Proportional to 1,903,065.28, 2,854,713.21 and 765,823.12

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Solution

The fourth proportional to 1,903,065.28, 2,854,713.21 and 765,823.12 is: 1,148,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,065.28 : 2,854,713.21 = 765,823.12 : x
  2. Step 2: Convert to fraction form
    1,903,065.28/2,854,713.21 = 765,823.12/x
  3. Step 3: Cross multiply
    1,903,065.28x = 2,854,713.21 × 765,823.12
  4. Step 4: Simplify right side
    1,903,065.28x = 2,186,205,377,187.42
  5. Step 5: Solve for x
    x = 2,186,205,377,187.42/1,903,065.28
  6. Step 6: Final answer
    x = 1,148,781.07

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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.