Home / 459,286.98-687,636.42-346,609.10

Finding the Fourth Proportional to 459,286.98, 687,636.42 and 346,609.10

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Solution

The fourth proportional to 459,286.98, 687,636.42 and 346,609.10 is: 518,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,286.98 : 687,636.42 = 346,609.10 : x
  2. Step 2: Convert to fraction form
    459,286.98/687,636.42 = 346,609.10/x
  3. Step 3: Cross multiply
    459,286.98x = 687,636.42 × 346,609.10
  4. Step 4: Simplify right side
    459,286.98x = 238,341,040,663.42
  5. Step 5: Solve for x
    x = 238,341,040,663.42/459,286.98
  6. Step 6: Final answer
    x = 518,937.07

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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.