Home / 406,727.88-609,688.04-193,120.35

Finding the Fourth Proportional to 406,727.88, 609,688.04 and 193,120.35

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Solution

The fourth proportional to 406,727.88, 609,688.04 and 193,120.35 is: 289,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,727.88 : 609,688.04 = 193,120.35 : x
  2. Step 2: Convert to fraction form
    406,727.88/609,688.04 = 193,120.35/x
  3. Step 3: Cross multiply
    406,727.88x = 609,688.04 × 193,120.35
  4. Step 4: Simplify right side
    406,727.88x = 117,743,166,710.01
  5. Step 5: Solve for x
    x = 117,743,166,710.01/406,727.88
  6. Step 6: Final answer
    x = 289,488.80

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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.