Home / 857,223.22-1,182,996.09-475,285.54

Finding the Fourth Proportional to 857,223.22, 1,182,996.09 and 475,285.54

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Solution

The fourth proportional to 857,223.22, 1,182,996.09 and 475,285.54 is: 655,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,223.22 : 1,182,996.09 = 475,285.54 : x
  2. Step 2: Convert to fraction form
    857,223.22/1,182,996.09 = 475,285.54/x
  3. Step 3: Cross multiply
    857,223.22x = 1,182,996.09 × 475,285.54
  4. Step 4: Simplify right side
    857,223.22x = 562,260,935,453.54
  5. Step 5: Solve for x
    x = 562,260,935,453.54/857,223.22
  6. Step 6: Final answer
    x = 655,909.60

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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.