Home / 909,605.22-1,255,260.95-501,717.97

Finding the Fourth Proportional to 909,605.22, 1,255,260.95 and 501,717.97

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Solution

The fourth proportional to 909,605.22, 1,255,260.95 and 501,717.97 is: 692,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,605.22 : 1,255,260.95 = 501,717.97 : x
  2. Step 2: Convert to fraction form
    909,605.22/1,255,260.95 = 501,717.97/x
  3. Step 3: Cross multiply
    909,605.22x = 1,255,260.95 × 501,717.97
  4. Step 4: Simplify right side
    909,605.22x = 629,786,975,654.27
  5. Step 5: Solve for x
    x = 629,786,975,654.27/909,605.22
  6. Step 6: Final answer
    x = 692,373.97

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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.