Home / 1,091,163.71-1,505,852.84-607,729.07

Finding the Fourth Proportional to 1,091,163.71, 1,505,852.84 and 607,729.07

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Solution

The fourth proportional to 1,091,163.71, 1,505,852.84 and 607,729.07 is: 838,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,163.71 : 1,505,852.84 = 607,729.07 : x
  2. Step 2: Convert to fraction form
    1,091,163.71/1,505,852.84 = 607,729.07/x
  3. Step 3: Cross multiply
    1,091,163.71x = 1,505,852.84 × 607,729.07
  4. Step 4: Simplify right side
    1,091,163.71x = 915,150,540,000.12
  5. Step 5: Solve for x
    x = 915,150,540,000.12/1,091,163.71
  6. Step 6: Final answer
    x = 838,692.25

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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.