Home / 1,185,521.90-1,778,361.96-416,927.36

Finding the Fourth Proportional to 1,185,521.90, 1,778,361.96 and 416,927.36

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Solution

The fourth proportional to 1,185,521.90, 1,778,361.96 and 416,927.36 is: 625,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,521.90 : 1,778,361.96 = 416,927.36 : x
  2. Step 2: Convert to fraction form
    1,185,521.90/1,778,361.96 = 416,927.36/x
  3. Step 3: Cross multiply
    1,185,521.90x = 1,778,361.96 × 416,927.36
  4. Step 4: Simplify right side
    1,185,521.90x = 741,447,748,215.42
  5. Step 5: Solve for x
    x = 741,447,748,215.42/1,185,521.90
  6. Step 6: Final answer
    x = 625,418.86

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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.