Home / 769,423.41-1,061,933.43-520,952.64

Finding the Fourth Proportional to 769,423.41, 1,061,933.43 and 520,952.64

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Solution

The fourth proportional to 769,423.41, 1,061,933.43 and 520,952.64 is: 719,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,423.41 : 1,061,933.43 = 520,952.64 : x
  2. Step 2: Convert to fraction form
    769,423.41/1,061,933.43 = 520,952.64/x
  3. Step 3: Cross multiply
    769,423.41x = 1,061,933.43 × 520,952.64
  4. Step 4: Simplify right side
    769,423.41x = 553,217,023,862.76
  5. Step 5: Solve for x
    x = 553,217,023,862.76/769,423.41
  6. Step 6: Final answer
    x = 719,002.07

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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.