Home / 523,254.40-784,939.20-190,902.40

Finding the Fourth Proportional to 523,254.40, 784,939.20 and 190,902.40

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Solution

The fourth proportional to 523,254.40, 784,939.20 and 190,902.40 is: 286,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,254.40 : 784,939.20 = 190,902.40 : x
  2. Step 2: Convert to fraction form
    523,254.40/784,939.20 = 190,902.40/x
  3. Step 3: Cross multiply
    523,254.40x = 784,939.20 × 190,902.40
  4. Step 4: Simplify right side
    523,254.40x = 149,846,777,134.08
  5. Step 5: Solve for x
    x = 149,846,777,134.08/523,254.40
  6. Step 6: Final answer
    x = 286,374.61

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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.