Home / 586,261.12-809,040.16-331,606.72

Finding the Fourth Proportional to 586,261.12, 809,040.16 and 331,606.72

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Solution

The fourth proportional to 586,261.12, 809,040.16 and 331,606.72 is: 457,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,261.12 : 809,040.16 = 331,606.72 : x
  2. Step 2: Convert to fraction form
    586,261.12/809,040.16 = 331,606.72/x
  3. Step 3: Cross multiply
    586,261.12x = 809,040.16 × 331,606.72
  4. Step 4: Simplify right side
    586,261.12x = 268,283,153,805.88
  5. Step 5: Solve for x
    x = 268,283,153,805.88/586,261.12
  6. Step 6: Final answer
    x = 457,617.17

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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.