Home / 672,320.25-1,008,653.18-229,088.25

Finding the Fourth Proportional to 672,320.25, 1,008,653.18 and 229,088.25

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Solution

The fourth proportional to 672,320.25, 1,008,653.18 and 229,088.25 is: 343,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,320.25 : 1,008,653.18 = 229,088.25 : x
  2. Step 2: Convert to fraction form
    672,320.25/1,008,653.18 = 229,088.25/x
  3. Step 3: Cross multiply
    672,320.25x = 1,008,653.18 × 229,088.25
  4. Step 4: Simplify right side
    672,320.25x = 231,070,590,717.69
  5. Step 5: Solve for x
    x = 231,070,590,717.69/672,320.25
  6. Step 6: Final answer
    x = 343,691.26

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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.