Home / 1,138,952.48-1,571,677.44-629,585.60

Finding the Fourth Proportional to 1,138,952.48, 1,571,677.44 and 629,585.60

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Solution

The fourth proportional to 1,138,952.48, 1,571,677.44 and 629,585.60 is: 868,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,952.48 : 1,571,677.44 = 629,585.60 : x
  2. Step 2: Convert to fraction form
    1,138,952.48/1,571,677.44 = 629,585.60/x
  3. Step 3: Cross multiply
    1,138,952.48x = 1,571,677.44 × 629,585.60
  4. Step 4: Simplify right side
    1,138,952.48x = 989,505,484,068.86
  5. Step 5: Solve for x
    x = 989,505,484,068.86/1,138,952.48
  6. Step 6: Final answer
    x = 868,785.57

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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.