Home / 755,744.94-1,128,088.10-666,067.41

Finding the Fourth Proportional to 755,744.94, 1,128,088.10 and 666,067.41

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Solution

The fourth proportional to 755,744.94, 1,128,088.10 and 666,067.41 is: 994,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,744.94 : 1,128,088.10 = 666,067.41 : x
  2. Step 2: Convert to fraction form
    755,744.94/1,128,088.10 = 666,067.41/x
  3. Step 3: Cross multiply
    755,744.94x = 1,128,088.10 × 666,067.41
  4. Step 4: Simplify right side
    755,744.94x = 751,382,720,683.99
  5. Step 5: Solve for x
    x = 751,382,720,683.99/755,744.94
  6. Step 6: Final answer
    x = 994,227.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.