Home / 1,660,866.20-2,291,995.34-896,919.70

Finding the Fourth Proportional to 1,660,866.20, 2,291,995.34 and 896,919.70

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Solution

The fourth proportional to 1,660,866.20, 2,291,995.34 and 896,919.70 is: 1,237,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,866.20 : 2,291,995.34 = 896,919.70 : x
  2. Step 2: Convert to fraction form
    1,660,866.20/2,291,995.34 = 896,919.70/x
  3. Step 3: Cross multiply
    1,660,866.20x = 2,291,995.34 × 896,919.70
  4. Step 4: Simplify right side
    1,660,866.20x = 2,055,735,756,809.62
  5. Step 5: Solve for x
    x = 2,055,735,756,809.62/1,660,866.20
  6. Step 6: Final answer
    x = 1,237,749.17

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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.