Home / 1,191,440.55-1,788,046.79-481,474.74

Finding the Fourth Proportional to 1,191,440.55, 1,788,046.79 and 481,474.74

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Solution

The fourth proportional to 1,191,440.55, 1,788,046.79 and 481,474.74 is: 722,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,440.55 : 1,788,046.79 = 481,474.74 : x
  2. Step 2: Convert to fraction form
    1,191,440.55/1,788,046.79 = 481,474.74/x
  3. Step 3: Cross multiply
    1,191,440.55x = 1,788,046.79 × 481,474.74
  4. Step 4: Simplify right side
    1,191,440.55x = 860,899,360,915.71
  5. Step 5: Solve for x
    x = 860,899,360,915.71/1,191,440.55
  6. Step 6: Final answer
    x = 722,570.14

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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.