Home / 1,091,064.78-1,505,561.49-607,674.87

Finding the Fourth Proportional to 1,091,064.78, 1,505,561.49 and 607,674.87

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Solution

The fourth proportional to 1,091,064.78, 1,505,561.49 and 607,674.87 is: 838,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,064.78 : 1,505,561.49 = 607,674.87 : x
  2. Step 2: Convert to fraction form
    1,091,064.78/1,505,561.49 = 607,674.87/x
  3. Step 3: Cross multiply
    1,091,064.78x = 1,505,561.49 × 607,674.87
  4. Step 4: Simplify right side
    1,091,064.78x = 914,891,882,712.76
  5. Step 5: Solve for x
    x = 914,891,882,712.76/1,091,064.78
  6. Step 6: Final answer
    x = 838,531.22

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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.