Home / 579,087.05-868,334.41-242,035.72

Finding the Fourth Proportional to 579,087.05, 868,334.41 and 242,035.72

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Solution

The fourth proportional to 579,087.05, 868,334.41 and 242,035.72 is: 362,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,087.05 : 868,334.41 = 242,035.72 : x
  2. Step 2: Convert to fraction form
    579,087.05/868,334.41 = 242,035.72/x
  3. Step 3: Cross multiply
    579,087.05x = 868,334.41 × 242,035.72
  4. Step 4: Simplify right side
    579,087.05x = 210,167,941,349.20
  5. Step 5: Solve for x
    x = 210,167,941,349.20/579,087.05
  6. Step 6: Final answer
    x = 362,929.79

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Double scale
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Similar ratio
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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.