Home / 826,333.00-1,239,063.42-257,608.10

Finding the Fourth Proportional to 826,333.00, 1,239,063.42 and 257,608.10

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Solution

The fourth proportional to 826,333.00, 1,239,063.42 and 257,608.10 is: 386,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,333.00 : 1,239,063.42 = 257,608.10 : x
  2. Step 2: Convert to fraction form
    826,333.00/1,239,063.42 = 257,608.10/x
  3. Step 3: Cross multiply
    826,333.00x = 1,239,063.42 × 257,608.10
  4. Step 4: Simplify right side
    826,333.00x = 319,192,768,688.37
  5. Step 5: Solve for x
    x = 319,192,768,688.37/826,333.00
  6. Step 6: Final answer
    x = 386,276.19

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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.