Home / 1,609,928-2,221,215.64-965,112.92

Finding the Fourth Proportional to 1,609,928, 2,221,215.64 and 965,112.92

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Solution

The fourth proportional to 1,609,928, 2,221,215.64 and 965,112.92 is: 1,331,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,928 : 2,221,215.64 = 965,112.92 : x
  2. Step 2: Convert to fraction form
    1,609,928/2,221,215.64 = 965,112.92/x
  3. Step 3: Cross multiply
    1,609,928x = 2,221,215.64 × 965,112.92
  4. Step 4: Simplify right side
    1,609,928x = 2,143,723,912,270.07
  5. Step 5: Solve for x
    x = 2,143,723,912,270.07/1,609,928
  6. Step 6: Final answer
    x = 1,331,565.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.