Home / 629,345.14-868,268.48-411,678.06

Finding the Fourth Proportional to 629,345.14, 868,268.48 and 411,678.06

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Solution

The fourth proportional to 629,345.14, 868,268.48 and 411,678.06 is: 567,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,345.14 : 868,268.48 = 411,678.06 : x
  2. Step 2: Convert to fraction form
    629,345.14/868,268.48 = 411,678.06/x
  3. Step 3: Cross multiply
    629,345.14x = 868,268.48 × 411,678.06
  4. Step 4: Simplify right side
    629,345.14x = 357,447,085,290.85
  5. Step 5: Solve for x
    x = 357,447,085,290.85/629,345.14
  6. Step 6: Final answer
    x = 567,966.70

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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.