Home / 611,191.86-916,975.49-291,751.35

Finding the Fourth Proportional to 611,191.86, 916,975.49 and 291,751.35

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Solution

The fourth proportional to 611,191.86, 916,975.49 and 291,751.35 is: 437,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,191.86 : 916,975.49 = 291,751.35 : x
  2. Step 2: Convert to fraction form
    611,191.86/916,975.49 = 291,751.35/x
  3. Step 3: Cross multiply
    611,191.86x = 916,975.49 × 291,751.35
  4. Step 4: Simplify right side
    611,191.86x = 267,528,835,665.66
  5. Step 5: Solve for x
    x = 267,528,835,665.66/611,191.86
  6. Step 6: Final answer
    x = 437,716.62

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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.