Home / 1,197,129.78-1,795,993.56-355,681.53

Finding the Fourth Proportional to 1,197,129.78, 1,795,993.56 and 355,681.53

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Solution

The fourth proportional to 1,197,129.78, 1,795,993.56 and 355,681.53 is: 533,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,129.78 : 1,795,993.56 = 355,681.53 : x
  2. Step 2: Convert to fraction form
    1,197,129.78/1,795,993.56 = 355,681.53/x
  3. Step 3: Cross multiply
    1,197,129.78x = 1,795,993.56 × 355,681.53
  4. Step 4: Simplify right side
    1,197,129.78x = 638,801,737,290.95
  5. Step 5: Solve for x
    x = 638,801,737,290.95/1,197,129.78
  6. Step 6: Final answer
    x = 533,611.10

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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.