Home / 588,406.01-811,935.33-330,223.74

Finding the Fourth Proportional to 588,406.01, 811,935.33 and 330,223.74

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Solution

The fourth proportional to 588,406.01, 811,935.33 and 330,223.74 is: 455,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,406.01 : 811,935.33 = 330,223.74 : x
  2. Step 2: Convert to fraction form
    588,406.01/811,935.33 = 330,223.74/x
  3. Step 3: Cross multiply
    588,406.01x = 811,935.33 × 330,223.74
  4. Step 4: Simplify right side
    588,406.01x = 268,120,326,664.61
  5. Step 5: Solve for x
    x = 268,120,326,664.61/588,406.01
  6. Step 6: Final answer
    x = 455,672.31

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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.