Home / 766,664.97-1,057,280.02-605,904.06

Finding the Fourth Proportional to 766,664.97, 1,057,280.02 and 605,904.06

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Solution

The fourth proportional to 766,664.97, 1,057,280.02 and 605,904.06 is: 835,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,664.97 : 1,057,280.02 = 605,904.06 : x
  2. Step 2: Convert to fraction form
    766,664.97/1,057,280.02 = 605,904.06/x
  3. Step 3: Cross multiply
    766,664.97x = 1,057,280.02 × 605,904.06
  4. Step 4: Simplify right side
    766,664.97x = 640,610,259,124.92
  5. Step 5: Solve for x
    x = 640,610,259,124.92/766,664.97
  6. Step 6: Final answer
    x = 835,580.45

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1.5x scale

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.