Home / 558,984.47-771,468.28-317,345.27

Finding the Fourth Proportional to 558,984.47, 771,468.28 and 317,345.27

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Solution

The fourth proportional to 558,984.47, 771,468.28 and 317,345.27 is: 437,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,984.47 : 771,468.28 = 317,345.27 : x
  2. Step 2: Convert to fraction form
    558,984.47/771,468.28 = 317,345.27/x
  3. Step 3: Cross multiply
    558,984.47x = 771,468.28 × 317,345.27
  4. Step 4: Simplify right side
    558,984.47x = 244,821,804,962.33
  5. Step 5: Solve for x
    x = 244,821,804,962.33/558,984.47
  6. Step 6: Final answer
    x = 437,976.04

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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.