Home / 597,168.77-824,640.57-379,449.15

Finding the Fourth Proportional to 597,168.77, 824,640.57 and 379,449.15

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Solution

The fourth proportional to 597,168.77, 824,640.57 and 379,449.15 is: 523,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,168.77 : 824,640.57 = 379,449.15 : x
  2. Step 2: Convert to fraction form
    597,168.77/824,640.57 = 379,449.15/x
  3. Step 3: Cross multiply
    597,168.77x = 824,640.57 × 379,449.15
  4. Step 4: Simplify right side
    597,168.77x = 312,909,163,342.02
  5. Step 5: Solve for x
    x = 312,909,163,342.02/597,168.77
  6. Step 6: Final answer
    x = 523,987.83

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Double scale
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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.