Home / 1,214,796-1,676,522.16-678,355.68

Finding the Fourth Proportional to 1,214,796, 1,676,522.16 and 678,355.68

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Solution

The fourth proportional to 1,214,796, 1,676,522.16 and 678,355.68 is: 936,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,796 : 1,676,522.16 = 678,355.68 : x
  2. Step 2: Convert to fraction form
    1,214,796/1,676,522.16 = 678,355.68/x
  3. Step 3: Cross multiply
    1,214,796x = 1,676,522.16 × 678,355.68
  4. Step 4: Simplify right side
    1,214,796x = 1,137,278,329,881.87
  5. Step 5: Solve for x
    x = 1,137,278,329,881.87/1,214,796
  6. Step 6: Final answer
    x = 936,188.73

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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.