Home / 566,431.23-781,694.24-308,317.58

Finding the Fourth Proportional to 566,431.23, 781,694.24 and 308,317.58

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Solution

The fourth proportional to 566,431.23, 781,694.24 and 308,317.58 is: 425,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,431.23 : 781,694.24 = 308,317.58 : x
  2. Step 2: Convert to fraction form
    566,431.23/781,694.24 = 308,317.58/x
  3. Step 3: Cross multiply
    566,431.23x = 781,694.24 × 308,317.58
  4. Step 4: Simplify right side
    566,431.23x = 241,010,076,376.74
  5. Step 5: Solve for x
    x = 241,010,076,376.74/566,431.23
  6. Step 6: Final answer
    x = 425,488.68

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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.