Home / 1,681,782.41-2,320,913.86-956,611.49

Finding the Fourth Proportional to 1,681,782.41, 2,320,913.86 and 956,611.49

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Solution

The fourth proportional to 1,681,782.41, 2,320,913.86 and 956,611.49 is: 1,320,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,782.41 : 2,320,913.86 = 956,611.49 : x
  2. Step 2: Convert to fraction form
    1,681,782.41/2,320,913.86 = 956,611.49/x
  3. Step 3: Cross multiply
    1,681,782.41x = 2,320,913.86 × 956,611.49
  4. Step 4: Simplify right side
    1,681,782.41x = 2,220,212,851,780.15
  5. Step 5: Solve for x
    x = 2,220,212,851,780.15/1,681,782.41
  6. Step 6: Final answer
    x = 1,320,154.64

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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.