Home / 1,163,059.21-1,605,022.65-646,801.86

Finding the Fourth Proportional to 1,163,059.21, 1,605,022.65 and 646,801.86

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Solution

The fourth proportional to 1,163,059.21, 1,605,022.65 and 646,801.86 is: 892,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,059.21 : 1,605,022.65 = 646,801.86 : x
  2. Step 2: Convert to fraction form
    1,163,059.21/1,605,022.65 = 646,801.86/x
  3. Step 3: Cross multiply
    1,163,059.21x = 1,605,022.65 × 646,801.86
  4. Step 4: Simplify right side
    1,163,059.21x = 1,038,131,635,362.13
  5. Step 5: Solve for x
    x = 1,038,131,635,362.13/1,163,059.21
  6. Step 6: Final answer
    x = 892,587.09

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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.