Home / 1,181,422.36-1,772,047.86-461,628.76

Finding the Fourth Proportional to 1,181,422.36, 1,772,047.86 and 461,628.76

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Solution

The fourth proportional to 1,181,422.36, 1,772,047.86 and 461,628.76 is: 692,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,422.36 : 1,772,047.86 = 461,628.76 : x
  2. Step 2: Convert to fraction form
    1,181,422.36/1,772,047.86 = 461,628.76/x
  3. Step 3: Cross multiply
    1,181,422.36x = 1,772,047.86 × 461,628.76
  4. Step 4: Simplify right side
    1,181,422.36x = 818,028,256,272.45
  5. Step 5: Solve for x
    x = 818,028,256,272.45/1,181,422.36
  6. Step 6: Final answer
    x = 692,409.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.