Home / 528,560.22-792,833.45-129,204.51

Finding the Fourth Proportional to 528,560.22, 792,833.45 and 129,204.51

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Solution

The fourth proportional to 528,560.22, 792,833.45 and 129,204.51 is: 193,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,560.22 : 792,833.45 = 129,204.51 : x
  2. Step 2: Convert to fraction form
    528,560.22/792,833.45 = 129,204.51/x
  3. Step 3: Cross multiply
    528,560.22x = 792,833.45 × 129,204.51
  4. Step 4: Simplify right side
    528,560.22x = 102,437,657,418.86
  5. Step 5: Solve for x
    x = 102,437,657,418.86/528,560.22
  6. Step 6: Final answer
    x = 193,805.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.