Home / 1,193,175.12-1,789,373.72-394,307.76

Finding the Fourth Proportional to 1,193,175.12, 1,789,373.72 and 394,307.76

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Solution

The fourth proportional to 1,193,175.12, 1,789,373.72 and 394,307.76 is: 591,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,175.12 : 1,789,373.72 = 394,307.76 : x
  2. Step 2: Convert to fraction form
    1,193,175.12/1,789,373.72 = 394,307.76/x
  3. Step 3: Cross multiply
    1,193,175.12x = 1,789,373.72 × 394,307.76
  4. Step 4: Simplify right side
    1,193,175.12x = 705,563,943,336.07
  5. Step 5: Solve for x
    x = 705,563,943,336.07/1,193,175.12
  6. Step 6: Final answer
    x = 591,333.10

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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.