Home / 528,306.93-792,581.28-228,837.36

Finding the Fourth Proportional to 528,306.93, 792,581.28 and 228,837.36

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Solution

The fourth proportional to 528,306.93, 792,581.28 and 228,837.36 is: 343,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,306.93 : 792,581.28 = 228,837.36 : x
  2. Step 2: Convert to fraction form
    528,306.93/792,581.28 = 228,837.36/x
  3. Step 3: Cross multiply
    528,306.93x = 792,581.28 × 228,837.36
  4. Step 4: Simplify right side
    528,306.93x = 181,372,207,700.62
  5. Step 5: Solve for x
    x = 181,372,207,700.62/528,306.93
  6. Step 6: Final answer
    x = 343,308.40

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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.