Home / 679,066.20-937,056.51-392,604.75

Finding the Fourth Proportional to 679,066.20, 937,056.51 and 392,604.75

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Solution

The fourth proportional to 679,066.20, 937,056.51 and 392,604.75 is: 541,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,066.20 : 937,056.51 = 392,604.75 : x
  2. Step 2: Convert to fraction form
    679,066.20/937,056.51 = 392,604.75/x
  3. Step 3: Cross multiply
    679,066.20x = 937,056.51 × 392,604.75
  4. Step 4: Simplify right side
    679,066.20x = 367,892,836,844.42
  5. Step 5: Solve for x
    x = 367,892,836,844.42/679,066.20
  6. Step 6: Final answer
    x = 541,762.85

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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.