Home / 451,511.07-623,113.27-250,307.07

Finding the Fourth Proportional to 451,511.07, 623,113.27 and 250,307.07

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Solution

The fourth proportional to 451,511.07, 623,113.27 and 250,307.07 is: 345,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,511.07 : 623,113.27 = 250,307.07 : x
  2. Step 2: Convert to fraction form
    451,511.07/623,113.27 = 250,307.07/x
  3. Step 3: Cross multiply
    451,511.07x = 623,113.27 × 250,307.07
  4. Step 4: Simplify right side
    451,511.07x = 155,969,656,033.88
  5. Step 5: Solve for x
    x = 155,969,656,033.88/451,511.07
  6. Step 6: Final answer
    x = 345,439.27

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1.5x scale

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.