Home / 1,660,860.45-2,291,987.41-896,913.95

Finding the Fourth Proportional to 1,660,860.45, 2,291,987.41 and 896,913.95

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Solution

The fourth proportional to 1,660,860.45, 2,291,987.41 and 896,913.95 is: 1,237,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,860.45 : 2,291,987.41 = 896,913.95 : x
  2. Step 2: Convert to fraction form
    1,660,860.45/2,291,987.41 = 896,913.95/x
  3. Step 3: Cross multiply
    1,660,860.45x = 2,291,987.41 × 896,913.95
  4. Step 4: Simplify right side
    1,660,860.45x = 2,055,715,467,551.15
  5. Step 5: Solve for x
    x = 2,055,715,467,551.15/1,660,860.45
  6. Step 6: Final answer
    x = 1,237,741.24

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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.