Home / 1,091,074.51-1,505,729.55-607,639.65

Finding the Fourth Proportional to 1,091,074.51, 1,505,729.55 and 607,639.65

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Solution

The fourth proportional to 1,091,074.51, 1,505,729.55 and 607,639.65 is: 838,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,074.51 : 1,505,729.55 = 607,639.65 : x
  2. Step 2: Convert to fraction form
    1,091,074.51/1,505,729.55 = 607,639.65/x
  3. Step 3: Cross multiply
    1,091,074.51x = 1,505,729.55 × 607,639.65
  4. Step 4: Simplify right side
    1,091,074.51x = 914,940,976,756.66
  5. Step 5: Solve for x
    x = 914,940,976,756.66/1,091,074.51
  6. Step 6: Final answer
    x = 838,568.74

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Double scale
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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.