Home / 530,816.46-733,227.80-393,274.81

Finding the Fourth Proportional to 530,816.46, 733,227.80 and 393,274.81

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Solution

The fourth proportional to 530,816.46, 733,227.80 and 393,274.81 is: 543,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,816.46 : 733,227.80 = 393,274.81 : x
  2. Step 2: Convert to fraction form
    530,816.46/733,227.80 = 393,274.81/x
  3. Step 3: Cross multiply
    530,816.46x = 733,227.80 × 393,274.81
  4. Step 4: Simplify right side
    530,816.46x = 288,360,022,681.88
  5. Step 5: Solve for x
    x = 288,360,022,681.88/530,816.46
  6. Step 6: Final answer
    x = 543,238.66

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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.