Home / 623,046.15-859,963.65-405,796.18

Finding the Fourth Proportional to 623,046.15, 859,963.65 and 405,796.18

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Solution

The fourth proportional to 623,046.15, 859,963.65 and 405,796.18 is: 560,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,046.15 : 859,963.65 = 405,796.18 : x
  2. Step 2: Convert to fraction form
    623,046.15/859,963.65 = 405,796.18/x
  3. Step 3: Cross multiply
    623,046.15x = 859,963.65 × 405,796.18
  4. Step 4: Simplify right side
    623,046.15x = 348,969,965,188.23
  5. Step 5: Solve for x
    x = 348,969,965,188.23/623,046.15
  6. Step 6: Final answer
    x = 560,102.91

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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.