Home / 693,823.48-1,040,883.63-207,543.72

Finding the Fourth Proportional to 693,823.48, 1,040,883.63 and 207,543.72

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Solution

The fourth proportional to 693,823.48, 1,040,883.63 and 207,543.72 is: 311,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,823.48 : 1,040,883.63 = 207,543.72 : x
  2. Step 2: Convert to fraction form
    693,823.48/1,040,883.63 = 207,543.72/x
  3. Step 3: Cross multiply
    693,823.48x = 1,040,883.63 × 207,543.72
  4. Step 4: Simplify right side
    693,823.48x = 216,028,862,610.45
  5. Step 5: Solve for x
    x = 216,028,862,610.45/693,823.48
  6. Step 6: Final answer
    x = 311,359.98

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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.