Home / 1,076,987.77-1,486,496.39-669,397.43

Finding the Fourth Proportional to 1,076,987.77, 1,486,496.39 and 669,397.43

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Solution

The fourth proportional to 1,076,987.77, 1,486,496.39 and 669,397.43 is: 923,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,987.77 : 1,486,496.39 = 669,397.43 : x
  2. Step 2: Convert to fraction form
    1,076,987.77/1,486,496.39 = 669,397.43/x
  3. Step 3: Cross multiply
    1,076,987.77x = 1,486,496.39 × 669,397.43
  4. Step 4: Simplify right side
    1,076,987.77x = 995,056,863,539.53
  5. Step 5: Solve for x
    x = 995,056,863,539.53/1,076,987.77
  6. Step 6: Final answer
    x = 923,925.87

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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.