Home / 1,678,114.64-2,315,777.30-914,151.80

Finding the Fourth Proportional to 1,678,114.64, 2,315,777.30 and 914,151.80

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Solution

The fourth proportional to 1,678,114.64, 2,315,777.30 and 914,151.80 is: 1,261,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,114.64 : 2,315,777.30 = 914,151.80 : x
  2. Step 2: Convert to fraction form
    1,678,114.64/2,315,777.30 = 914,151.80/x
  3. Step 3: Cross multiply
    1,678,114.64x = 2,315,777.30 × 914,151.80
  4. Step 4: Simplify right side
    1,678,114.64x = 2,116,971,987,194.14
  5. Step 5: Solve for x
    x = 2,116,971,987,194.14/1,678,114.64
  6. Step 6: Final answer
    x = 1,261,518.10

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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.