Home / 1,331,785.78-1,997,697.09-433,232.21

Finding the Fourth Proportional to 1,331,785.78, 1,997,697.09 and 433,232.21

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Solution

The fourth proportional to 1,331,785.78, 1,997,697.09 and 433,232.21 is: 649,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,785.78 : 1,997,697.09 = 433,232.21 : x
  2. Step 2: Convert to fraction form
    1,331,785.78/1,997,697.09 = 433,232.21/x
  3. Step 3: Cross multiply
    1,331,785.78x = 1,997,697.09 × 433,232.21
  4. Step 4: Simplify right side
    1,331,785.78x = 865,466,725,211.27
  5. Step 5: Solve for x
    x = 865,466,725,211.27/1,331,785.78
  6. Step 6: Final answer
    x = 649,854.31

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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.