Home / 1,094,543.70-1,641,815.55-921,333.30

Finding the Fourth Proportional to 1,094,543.70, 1,641,815.55 and 921,333.30

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Solution

The fourth proportional to 1,094,543.70, 1,641,815.55 and 921,333.30 is: 1,381,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,543.70 : 1,641,815.55 = 921,333.30 : x
  2. Step 2: Convert to fraction form
    1,094,543.70/1,641,815.55 = 921,333.30/x
  3. Step 3: Cross multiply
    1,094,543.70x = 1,641,815.55 × 921,333.30
  4. Step 4: Simplify right side
    1,094,543.70x = 1,512,659,338,672.82
  5. Step 5: Solve for x
    x = 1,512,659,338,672.82/1,094,543.70
  6. Step 6: Final answer
    x = 1,381,999.95

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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.