Home / 986,654.32-1,361,587.24-533,945.36

Finding the Fourth Proportional to 986,654.32, 1,361,587.24 and 533,945.36

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Solution

The fourth proportional to 986,654.32, 1,361,587.24 and 533,945.36 is: 736,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,654.32 : 1,361,587.24 = 533,945.36 : x
  2. Step 2: Convert to fraction form
    986,654.32/1,361,587.24 = 533,945.36/x
  3. Step 3: Cross multiply
    986,654.32x = 1,361,587.24 × 533,945.36
  4. Step 4: Simplify right side
    986,654.32x = 727,013,189,033.21
  5. Step 5: Solve for x
    x = 727,013,189,033.21/986,654.32
  6. Step 6: Final answer
    x = 736,846.91

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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.