Home / 1,153,530.64-1,591,678.92-644,235.04

Finding the Fourth Proportional to 1,153,530.64, 1,591,678.92 and 644,235.04

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Solution

The fourth proportional to 1,153,530.64, 1,591,678.92 and 644,235.04 is: 888,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,530.64 : 1,591,678.92 = 644,235.04 : x
  2. Step 2: Convert to fraction form
    1,153,530.64/1,591,678.92 = 644,235.04/x
  3. Step 3: Cross multiply
    1,153,530.64x = 1,591,678.92 × 644,235.04
  4. Step 4: Simplify right side
    1,153,530.64x = 1,025,415,332,693.36
  5. Step 5: Solve for x
    x = 1,025,415,332,693.36/1,153,530.64
  6. Step 6: Final answer
    x = 888,936.36

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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.