Home / 958,689.55-1,323,019.26-528,997.36

Finding the Fourth Proportional to 958,689.55, 1,323,019.26 and 528,997.36

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Solution

The fourth proportional to 958,689.55, 1,323,019.26 and 528,997.36 is: 730,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,689.55 : 1,323,019.26 = 528,997.36 : x
  2. Step 2: Convert to fraction form
    958,689.55/1,323,019.26 = 528,997.36/x
  3. Step 3: Cross multiply
    958,689.55x = 1,323,019.26 × 528,997.36
  4. Step 4: Simplify right side
    958,689.55x = 699,873,695,769.15
  5. Step 5: Solve for x
    x = 699,873,695,769.15/958,689.55
  6. Step 6: Final answer
    x = 730,031.63

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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.