Home / 935,911.68-1,291,558.32-528,100.08

Finding the Fourth Proportional to 935,911.68, 1,291,558.32 and 528,100.08

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Solution

The fourth proportional to 935,911.68, 1,291,558.32 and 528,100.08 is: 728,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,911.68 : 1,291,558.32 = 528,100.08 : x
  2. Step 2: Convert to fraction form
    935,911.68/1,291,558.32 = 528,100.08/x
  3. Step 3: Cross multiply
    935,911.68x = 1,291,558.32 × 528,100.08
  4. Step 4: Simplify right side
    935,911.68x = 682,072,052,116.67
  5. Step 5: Solve for x
    x = 682,072,052,116.67/935,911.68
  6. Step 6: Final answer
    x = 728,778.22

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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.