Home / 723,776.96-998,931.99-401,590.86

Finding the Fourth Proportional to 723,776.96, 998,931.99 and 401,590.86

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Solution

The fourth proportional to 723,776.96, 998,931.99 and 401,590.86 is: 554,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,776.96 : 998,931.99 = 401,590.86 : x
  2. Step 2: Convert to fraction form
    723,776.96/998,931.99 = 401,590.86/x
  3. Step 3: Cross multiply
    723,776.96x = 998,931.99 × 401,590.86
  4. Step 4: Simplify right side
    723,776.96x = 401,161,954,705.58
  5. Step 5: Solve for x
    x = 401,161,954,705.58/723,776.96
  6. Step 6: Final answer
    x = 554,261.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.