Home / 1,172,375.25-1,617,877.85-635,831.25

Finding the Fourth Proportional to 1,172,375.25, 1,617,877.85 and 635,831.25

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Solution

The fourth proportional to 1,172,375.25, 1,617,877.85 and 635,831.25 is: 877,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,375.25 : 1,617,877.85 = 635,831.25 : x
  2. Step 2: Convert to fraction form
    1,172,375.25/1,617,877.85 = 635,831.25/x
  3. Step 3: Cross multiply
    1,172,375.25x = 1,617,877.85 × 635,831.25
  4. Step 4: Simplify right side
    1,172,375.25x = 1,028,697,292,533.66
  5. Step 5: Solve for x
    x = 1,028,697,292,533.66/1,172,375.25
  6. Step 6: Final answer
    x = 877,447.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.