Home / 541,204.29-811,789.70-257,099.36

Finding the Fourth Proportional to 541,204.29, 811,789.70 and 257,099.36

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Solution

The fourth proportional to 541,204.29, 811,789.70 and 257,099.36 is: 385,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,204.29 : 811,789.70 = 257,099.36 : x
  2. Step 2: Convert to fraction form
    541,204.29/811,789.70 = 257,099.36/x
  3. Step 3: Cross multiply
    541,204.29x = 811,789.70 × 257,099.36
  4. Step 4: Simplify right side
    541,204.29x = 208,710,606,980.15
  5. Step 5: Solve for x
    x = 208,710,606,980.15/541,204.29
  6. Step 6: Final answer
    x = 385,641.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.