Home / 709,723.22-976,932.06-618,918.98

Finding the Fourth Proportional to 709,723.22, 976,932.06 and 618,918.98

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Solution

The fourth proportional to 709,723.22, 976,932.06 and 618,918.98 is: 851,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,723.22 : 976,932.06 = 618,918.98 : x
  2. Step 2: Convert to fraction form
    709,723.22/976,932.06 = 618,918.98/x
  3. Step 3: Cross multiply
    709,723.22x = 976,932.06 × 618,918.98
  4. Step 4: Simplify right side
    709,723.22x = 604,641,789,219.84
  5. Step 5: Solve for x
    x = 604,641,789,219.84/709,723.22
  6. Step 6: Final answer
    x = 851,940.27

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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.