Home / 298,980.03-414,373.45-293,381.31

Finding the Fourth Proportional to 298,980.03, 414,373.45 and 293,381.31

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Solution

The fourth proportional to 298,980.03, 414,373.45 and 293,381.31 is: 406,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,980.03 : 414,373.45 = 293,381.31 : x
  2. Step 2: Convert to fraction form
    298,980.03/414,373.45 = 293,381.31/x
  3. Step 3: Cross multiply
    298,980.03x = 414,373.45 × 293,381.31
  4. Step 4: Simplify right side
    298,980.03x = 121,569,425,590.22
  5. Step 5: Solve for x
    x = 121,569,425,590.22/298,980.03
  6. Step 6: Final answer
    x = 406,613.87

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.