Home / 740,915.29-1,111,536.96-235,630.81

Finding the Fourth Proportional to 740,915.29, 1,111,536.96 and 235,630.81

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Solution

The fourth proportional to 740,915.29, 1,111,536.96 and 235,630.81 is: 353,498.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,915.29 : 1,111,536.96 = 235,630.81 : x
  2. Step 2: Convert to fraction form
    740,915.29/1,111,536.96 = 235,630.81/x
  3. Step 3: Cross multiply
    740,915.29x = 1,111,536.96 × 235,630.81
  4. Step 4: Simplify right side
    740,915.29x = 261,912,354,229.74
  5. Step 5: Solve for x
    x = 261,912,354,229.74/740,915.29
  6. Step 6: Final answer
    x = 353,498.38

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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.