Home / 729,465.48-1,093,449.98-280,065.34

Finding the Fourth Proportional to 729,465.48, 1,093,449.98 and 280,065.34

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Solution

The fourth proportional to 729,465.48, 1,093,449.98 and 280,065.34 is: 419,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,465.48 : 1,093,449.98 = 280,065.34 : x
  2. Step 2: Convert to fraction form
    729,465.48/1,093,449.98 = 280,065.34/x
  3. Step 3: Cross multiply
    729,465.48x = 1,093,449.98 × 280,065.34
  4. Step 4: Simplify right side
    729,465.48x = 306,237,440,421.69
  5. Step 5: Solve for x
    x = 306,237,440,421.69/729,465.48
  6. Step 6: Final answer
    x = 419,810.74

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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.