Home / 693,850.18-1,040,846.61-261,931.45

Finding the Fourth Proportional to 693,850.18, 1,040,846.61 and 261,931.45

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Solution

The fourth proportional to 693,850.18, 1,040,846.61 and 261,931.45 is: 392,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,850.18 : 1,040,846.61 = 261,931.45 : x
  2. Step 2: Convert to fraction form
    693,850.18/1,040,846.61 = 261,931.45/x
  3. Step 3: Cross multiply
    693,850.18x = 1,040,846.61 × 261,931.45
  4. Step 4: Simplify right side
    693,850.18x = 272,630,461,784.89
  5. Step 5: Solve for x
    x = 272,630,461,784.89/693,850.18
  6. Step 6: Final answer
    x = 392,924.11

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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.