Home / 1,401,327.38-1,934,146.78-917,611.58

Finding the Fourth Proportional to 1,401,327.38, 1,934,146.78 and 917,611.58

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Solution

The fourth proportional to 1,401,327.38, 1,934,146.78 and 917,611.58 is: 1,266,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,327.38 : 1,934,146.78 = 917,611.58 : x
  2. Step 2: Convert to fraction form
    1,401,327.38/1,934,146.78 = 917,611.58/x
  3. Step 3: Cross multiply
    1,401,327.38x = 1,934,146.78 × 917,611.58
  4. Step 4: Simplify right side
    1,401,327.38x = 1,774,795,470,782.95
  5. Step 5: Solve for x
    x = 1,774,795,470,782.95/1,401,327.38
  6. Step 6: Final answer
    x = 1,266,510.24

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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.