Home / 639,202.51-958,836.81-606,880.18

Finding the Fourth Proportional to 639,202.51, 958,836.81 and 606,880.18

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Solution

The fourth proportional to 639,202.51, 958,836.81 and 606,880.18 is: 910,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,202.51 : 958,836.81 = 606,880.18 : x
  2. Step 2: Convert to fraction form
    639,202.51/958,836.81 = 606,880.18/x
  3. Step 3: Cross multiply
    639,202.51x = 958,836.81 × 606,880.18
  4. Step 4: Simplify right side
    639,202.51x = 581,899,055,843.43
  5. Step 5: Solve for x
    x = 581,899,055,843.43/639,202.51
  6. Step 6: Final answer
    x = 910,351.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.