Home / 719,839.50-993,378.52-418,052.94

Finding the Fourth Proportional to 719,839.50, 993,378.52 and 418,052.94

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Solution

The fourth proportional to 719,839.50, 993,378.52 and 418,052.94 is: 576,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,839.50 : 993,378.52 = 418,052.94 : x
  2. Step 2: Convert to fraction form
    719,839.50/993,378.52 = 418,052.94/x
  3. Step 3: Cross multiply
    719,839.50x = 993,378.52 × 418,052.94
  4. Step 4: Simplify right side
    719,839.50x = 415,284,810,818.85
  5. Step 5: Solve for x
    x = 415,284,810,818.85/719,839.50
  6. Step 6: Final answer
    x = 576,913.06

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1.5x scale

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.