Home / 665,117.65-997,823.90-191,766.07

Finding the Fourth Proportional to 665,117.65, 997,823.90 and 191,766.07

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Solution

The fourth proportional to 665,117.65, 997,823.90 and 191,766.07 is: 287,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,117.65 : 997,823.90 = 191,766.07 : x
  2. Step 2: Convert to fraction form
    665,117.65/997,823.90 = 191,766.07/x
  3. Step 3: Cross multiply
    665,117.65x = 997,823.90 × 191,766.07
  4. Step 4: Simplify right side
    665,117.65x = 191,348,767,855.07
  5. Step 5: Solve for x
    x = 191,348,767,855.07/665,117.65
  6. Step 6: Final answer
    x = 287,691.61

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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.