Home / 886,507.74-1,329,706.94-353,645.19

Finding the Fourth Proportional to 886,507.74, 1,329,706.94 and 353,645.19

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Solution

The fourth proportional to 886,507.74, 1,329,706.94 and 353,645.19 is: 530,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,507.74 : 1,329,706.94 = 353,645.19 : x
  2. Step 2: Convert to fraction form
    886,507.74/1,329,706.94 = 353,645.19/x
  3. Step 3: Cross multiply
    886,507.74x = 1,329,706.94 × 353,645.19
  4. Step 4: Simplify right side
    886,507.74x = 470,244,461,672.39
  5. Step 5: Solve for x
    x = 470,244,461,672.39/886,507.74
  6. Step 6: Final answer
    x = 530,445.97

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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.