Home / 935,999.22-1,291,567.78-528,077.25

Finding the Fourth Proportional to 935,999.22, 1,291,567.78 and 528,077.25

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Solution

The fourth proportional to 935,999.22, 1,291,567.78 and 528,077.25 is: 728,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,999.22 : 1,291,567.78 = 528,077.25 : x
  2. Step 2: Convert to fraction form
    935,999.22/1,291,567.78 = 528,077.25/x
  3. Step 3: Cross multiply
    935,999.22x = 1,291,567.78 × 528,077.25
  4. Step 4: Simplify right side
    935,999.22x = 682,047,561,451.01
  5. Step 5: Solve for x
    x = 682,047,561,451.01/935,999.22
  6. Step 6: Final answer
    x = 728,683.90

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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.