Home / 541,923.68-812,586.90-186,644.72

Finding the Fourth Proportional to 541,923.68, 812,586.90 and 186,644.72

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Solution

The fourth proportional to 541,923.68, 812,586.90 and 186,644.72 is: 279,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,923.68 : 812,586.90 = 186,644.72 : x
  2. Step 2: Convert to fraction form
    541,923.68/812,586.90 = 186,644.72/x
  3. Step 3: Cross multiply
    541,923.68x = 812,586.90 × 186,644.72
  4. Step 4: Simplify right side
    541,923.68x = 151,665,054,426.17
  5. Step 5: Solve for x
    x = 151,665,054,426.17/541,923.68
  6. Step 6: Final answer
    x = 279,864.23

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1.5x scale

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.