Home / 558,984.72-771,468.62-317,345.52

Finding the Fourth Proportional to 558,984.72, 771,468.62 and 317,345.52

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Solution

The fourth proportional to 558,984.72, 771,468.62 and 317,345.52 is: 437,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,984.72 : 771,468.62 = 317,345.52 : x
  2. Step 2: Convert to fraction form
    558,984.72/771,468.62 = 317,345.52/x
  3. Step 3: Cross multiply
    558,984.72x = 771,468.62 × 317,345.52
  4. Step 4: Simplify right side
    558,984.72x = 244,822,110,377.58
  5. Step 5: Solve for x
    x = 244,822,110,377.58/558,984.72
  6. Step 6: Final answer
    x = 437,976.39

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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.