Home / 1,679,778.64-2,519,677.21-417,606.27

Finding the Fourth Proportional to 1,679,778.64, 2,519,677.21 and 417,606.27

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Solution

The fourth proportional to 1,679,778.64, 2,519,677.21 and 417,606.27 is: 626,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,778.64 : 2,519,677.21 = 417,606.27 : x
  2. Step 2: Convert to fraction form
    1,679,778.64/2,519,677.21 = 417,606.27/x
  3. Step 3: Cross multiply
    1,679,778.64x = 2,519,677.21 × 417,606.27
  4. Step 4: Simplify right side
    1,679,778.64x = 1,052,232,991,562.31
  5. Step 5: Solve for x
    x = 1,052,232,991,562.31/1,679,778.64
  6. Step 6: Final answer
    x = 626,411.70

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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.