Home / 1,156,655.38-1,596,234.31-640,409.28

Finding the Fourth Proportional to 1,156,655.38, 1,596,234.31 and 640,409.28

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Solution

The fourth proportional to 1,156,655.38, 1,596,234.31 and 640,409.28 is: 883,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,655.38 : 1,596,234.31 = 640,409.28 : x
  2. Step 2: Convert to fraction form
    1,156,655.38/1,596,234.31 = 640,409.28/x
  3. Step 3: Cross multiply
    1,156,655.38x = 1,596,234.31 × 640,409.28
  4. Step 4: Simplify right side
    1,156,655.38x = 1,022,243,261,976.35
  5. Step 5: Solve for x
    x = 1,022,243,261,976.35/1,156,655.38
  6. Step 6: Final answer
    x = 883,792.43

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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.