Home / 436,827.31-655,398.65-152,559.72

Finding the Fourth Proportional to 436,827.31, 655,398.65 and 152,559.72

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Solution

The fourth proportional to 436,827.31, 655,398.65 and 152,559.72 is: 228,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,827.31 : 655,398.65 = 152,559.72 : x
  2. Step 2: Convert to fraction form
    436,827.31/655,398.65 = 152,559.72/x
  3. Step 3: Cross multiply
    436,827.31x = 655,398.65 × 152,559.72
  4. Step 4: Simplify right side
    436,827.31x = 99,987,434,913.78
  5. Step 5: Solve for x
    x = 99,987,434,913.78/436,827.31
  6. Step 6: Final answer
    x = 228,894.65

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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.