Home / 1,147,645.92-1,583,624.88-664,116.96

Finding the Fourth Proportional to 1,147,645.92, 1,583,624.88 and 664,116.96

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Solution

The fourth proportional to 1,147,645.92, 1,583,624.88 and 664,116.96 is: 916,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,645.92 : 1,583,624.88 = 664,116.96 : x
  2. Step 2: Convert to fraction form
    1,147,645.92/1,583,624.88 = 664,116.96/x
  3. Step 3: Cross multiply
    1,147,645.92x = 1,583,624.88 × 664,116.96
  4. Step 4: Simplify right side
    1,147,645.92x = 1,051,712,141,085.96
  5. Step 5: Solve for x
    x = 1,051,712,141,085.96/1,147,645.92
  6. Step 6: Final answer
    x = 916,408.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.