Home / 625,568.72-863,684.04-411,089.36

Finding the Fourth Proportional to 625,568.72, 863,684.04 and 411,089.36

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Solution

The fourth proportional to 625,568.72, 863,684.04 and 411,089.36 is: 567,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,568.72 : 863,684.04 = 411,089.36 : x
  2. Step 2: Convert to fraction form
    625,568.72/863,684.04 = 411,089.36/x
  3. Step 3: Cross multiply
    625,568.72x = 863,684.04 × 411,089.36
  4. Step 4: Simplify right side
    625,568.72x = 355,051,319,245.81
  5. Step 5: Solve for x
    x = 355,051,319,245.81/625,568.72
  6. Step 6: Final answer
    x = 567,565.65

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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.