Home / 528,759.55-792,177.04-472,072.51

Finding the Fourth Proportional to 528,759.55, 792,177.04 and 472,072.51

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Solution

The fourth proportional to 528,759.55, 792,177.04 and 472,072.51 is: 707,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,759.55 : 792,177.04 = 472,072.51 : x
  2. Step 2: Convert to fraction form
    528,759.55/792,177.04 = 472,072.51/x
  3. Step 3: Cross multiply
    528,759.55x = 792,177.04 × 472,072.51
  4. Step 4: Simplify right side
    528,759.55x = 373,965,003,637.17
  5. Step 5: Solve for x
    x = 373,965,003,637.17/528,759.55
  6. Step 6: Final answer
    x = 707,249.64

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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.