Home / 1,205,434.50-1,663,577.37-668,890.50

Finding the Fourth Proportional to 1,205,434.50, 1,663,577.37 and 668,890.50

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Solution

The fourth proportional to 1,205,434.50, 1,663,577.37 and 668,890.50 is: 923,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,434.50 : 1,663,577.37 = 668,890.50 : x
  2. Step 2: Convert to fraction form
    1,205,434.50/1,663,577.37 = 668,890.50/x
  3. Step 3: Cross multiply
    1,205,434.50x = 1,663,577.37 × 668,890.50
  4. Step 4: Simplify right side
    1,205,434.50x = 1,112,751,098,807.99
  5. Step 5: Solve for x
    x = 1,112,751,098,807.99/1,205,434.50
  6. Step 6: Final answer
    x = 923,112.04

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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.