Home / 1,222,133.60-1,833,193.10-664,711.04

Finding the Fourth Proportional to 1,222,133.60, 1,833,193.10 and 664,711.04

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Solution

The fourth proportional to 1,222,133.60, 1,833,193.10 and 664,711.04 is: 997,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,133.60 : 1,833,193.10 = 664,711.04 : x
  2. Step 2: Convert to fraction form
    1,222,133.60/1,833,193.10 = 664,711.04/x
  3. Step 3: Cross multiply
    1,222,133.60x = 1,833,193.10 × 664,711.04
  4. Step 4: Simplify right side
    1,222,133.60x = 1,218,543,692,021.82
  5. Step 5: Solve for x
    x = 1,218,543,692,021.82/1,222,133.60
  6. Step 6: Final answer
    x = 997,062.59

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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.