Home / 922,915.82-1,273,624.09-509,452.86

Finding the Fourth Proportional to 922,915.82, 1,273,624.09 and 509,452.86

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Solution

The fourth proportional to 922,915.82, 1,273,624.09 and 509,452.86 is: 703,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,915.82 : 1,273,624.09 = 509,452.86 : x
  2. Step 2: Convert to fraction form
    922,915.82/1,273,624.09 = 509,452.86/x
  3. Step 3: Cross multiply
    922,915.82x = 1,273,624.09 × 509,452.86
  4. Step 4: Simplify right side
    922,915.82x = 648,851,431,553.72
  5. Step 5: Solve for x
    x = 648,851,431,553.72/922,915.82
  6. Step 6: Final answer
    x = 703,045.08

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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.