Home / 707,845.42-976,849.23-385,565.86

Finding the Fourth Proportional to 707,845.42, 976,849.23 and 385,565.86

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Solution

The fourth proportional to 707,845.42, 976,849.23 and 385,565.86 is: 532,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,845.42 : 976,849.23 = 385,565.86 : x
  2. Step 2: Convert to fraction form
    707,845.42/976,849.23 = 385,565.86/x
  3. Step 3: Cross multiply
    707,845.42x = 976,849.23 × 385,565.86
  4. Step 4: Simplify right side
    707,845.42x = 376,639,713,455.29
  5. Step 5: Solve for x
    x = 376,639,713,455.29/707,845.42
  6. Step 6: Final answer
    x = 532,093.17

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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.