Home / 528,561.22-792,834.95-129,205.51

Finding the Fourth Proportional to 528,561.22, 792,834.95 and 129,205.51

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Solution

The fourth proportional to 528,561.22, 792,834.95 and 129,205.51 is: 193,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,561.22 : 792,834.95 = 129,205.51 : x
  2. Step 2: Convert to fraction form
    528,561.22/792,834.95 = 129,205.51/x
  3. Step 3: Cross multiply
    528,561.22x = 792,834.95 × 129,205.51
  4. Step 4: Simplify right side
    528,561.22x = 102,438,644,060.58
  5. Step 5: Solve for x
    x = 102,438,644,060.58/528,561.22
  6. Step 6: Final answer
    x = 193,806.58

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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.