Home / 638,815.38-958,227.93-283,734.06

Finding the Fourth Proportional to 638,815.38, 958,227.93 and 283,734.06

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Solution

The fourth proportional to 638,815.38, 958,227.93 and 283,734.06 is: 425,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,815.38 : 958,227.93 = 283,734.06 : x
  2. Step 2: Convert to fraction form
    638,815.38/958,227.93 = 283,734.06/x
  3. Step 3: Cross multiply
    638,815.38x = 958,227.93 × 283,734.06
  4. Step 4: Simplify right side
    638,815.38x = 271,881,900,984.30
  5. Step 5: Solve for x
    x = 271,881,900,984.30/638,815.38
  6. Step 6: Final answer
    x = 425,603.25

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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.