Home / 1,181,036.49-1,629,881.96-664,823.69

Finding the Fourth Proportional to 1,181,036.49, 1,629,881.96 and 664,823.69

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Solution

The fourth proportional to 1,181,036.49, 1,629,881.96 and 664,823.69 is: 917,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,036.49 : 1,629,881.96 = 664,823.69 : x
  2. Step 2: Convert to fraction form
    1,181,036.49/1,629,881.96 = 664,823.69/x
  3. Step 3: Cross multiply
    1,181,036.49x = 1,629,881.96 × 664,823.69
  4. Step 4: Simplify right side
    1,181,036.49x = 1,083,584,136,498.99
  5. Step 5: Solve for x
    x = 1,083,584,136,498.99/1,181,036.49
  6. Step 6: Final answer
    x = 917,485.74

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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.