Home / 566,118.23-781,249.35-307,996.64

Finding the Fourth Proportional to 566,118.23, 781,249.35 and 307,996.64

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Solution

The fourth proportional to 566,118.23, 781,249.35 and 307,996.64 is: 425,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,118.23 : 781,249.35 = 307,996.64 : x
  2. Step 2: Convert to fraction form
    566,118.23/781,249.35 = 307,996.64/x
  3. Step 3: Cross multiply
    566,118.23x = 781,249.35 × 307,996.64
  4. Step 4: Simplify right side
    566,118.23x = 240,622,173,262.20
  5. Step 5: Solve for x
    x = 240,622,173,262.20/566,118.23
  6. Step 6: Final answer
    x = 425,038.73

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Double scale
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1.5x scale

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.