Home / 693,851.18-1,040,848.11-261,932.45

Finding the Fourth Proportional to 693,851.18, 1,040,848.11 and 261,932.45

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Solution

The fourth proportional to 693,851.18, 1,040,848.11 and 261,932.45 is: 392,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,851.18 : 1,040,848.11 = 261,932.45 : x
  2. Step 2: Convert to fraction form
    693,851.18/1,040,848.11 = 261,932.45/x
  3. Step 3: Cross multiply
    693,851.18x = 1,040,848.11 × 261,932.45
  4. Step 4: Simplify right side
    693,851.18x = 272,631,895,530.17
  5. Step 5: Solve for x
    x = 272,631,895,530.17/693,851.18
  6. Step 6: Final answer
    x = 392,925.61

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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.