Home / 528,563.23-792,837.94-129,207.51

Finding the Fourth Proportional to 528,563.23, 792,837.94 and 129,207.51

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Solution

The fourth proportional to 528,563.23, 792,837.94 and 129,207.51 is: 193,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,563.23 : 792,837.94 = 129,207.51 : x
  2. Step 2: Convert to fraction form
    528,563.23/792,837.94 = 129,207.51/x
  3. Step 3: Cross multiply
    528,563.23x = 792,837.94 × 129,207.51
  4. Step 4: Simplify right side
    528,563.23x = 102,440,616,060.93
  5. Step 5: Solve for x
    x = 102,440,616,060.93/528,563.23
  6. Step 6: Final answer
    x = 193,809.58

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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.