Home / 1,247,550.66-1,870,609.68-488,503.41

Finding the Fourth Proportional to 1,247,550.66, 1,870,609.68 and 488,503.41

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Solution

The fourth proportional to 1,247,550.66, 1,870,609.68 and 488,503.41 is: 732,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,550.66 : 1,870,609.68 = 488,503.41 : x
  2. Step 2: Convert to fraction form
    1,247,550.66/1,870,609.68 = 488,503.41/x
  3. Step 3: Cross multiply
    1,247,550.66x = 1,870,609.68 × 488,503.41
  4. Step 4: Simplify right side
    1,247,550.66x = 913,799,207,459.01
  5. Step 5: Solve for x
    x = 913,799,207,459.01/1,247,550.66
  6. Step 6: Final answer
    x = 732,474.63

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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.