Home / 442,577.16-661,346.25-332,313.26

Finding the Fourth Proportional to 442,577.16, 661,346.25 and 332,313.26

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Solution

The fourth proportional to 442,577.16, 661,346.25 and 332,313.26 is: 496,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,577.16 : 661,346.25 = 332,313.26 : x
  2. Step 2: Convert to fraction form
    442,577.16/661,346.25 = 332,313.26/x
  3. Step 3: Cross multiply
    442,577.16x = 661,346.25 × 332,313.26
  4. Step 4: Simplify right side
    442,577.16x = 219,774,129,979.64
  5. Step 5: Solve for x
    x = 219,774,129,979.64/442,577.16
  6. Step 6: Final answer
    x = 496,578.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.