Home / 528,842.23-793,578.53-191,909.17

Finding the Fourth Proportional to 528,842.23, 793,578.53 and 191,909.17

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Solution

The fourth proportional to 528,842.23, 793,578.53 and 191,909.17 is: 287,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,842.23 : 793,578.53 = 191,909.17 : x
  2. Step 2: Convert to fraction form
    528,842.23/793,578.53 = 191,909.17/x
  3. Step 3: Cross multiply
    528,842.23x = 793,578.53 × 191,909.17
  4. Step 4: Simplify right side
    528,842.23x = 152,294,997,022.12
  5. Step 5: Solve for x
    x = 152,294,997,022.12/528,842.23
  6. Step 6: Final answer
    x = 287,978.13

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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.