Home / 909,077.48-1,254,503.88-501,169.92

Finding the Fourth Proportional to 909,077.48, 1,254,503.88 and 501,169.92

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Solution

The fourth proportional to 909,077.48, 1,254,503.88 and 501,169.92 is: 691,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,077.48 : 1,254,503.88 = 501,169.92 : x
  2. Step 2: Convert to fraction form
    909,077.48/1,254,503.88 = 501,169.92/x
  3. Step 3: Cross multiply
    909,077.48x = 1,254,503.88 × 501,169.92
  4. Step 4: Simplify right side
    909,077.48x = 628,719,609,179.29
  5. Step 5: Solve for x
    x = 628,719,609,179.29/909,077.48
  6. Step 6: Final answer
    x = 691,601.79

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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.