Home / 783,222-1,173,636.72-582,571.92

Finding the Fourth Proportional to 783,222, 1,173,636.72 and 582,571.92

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Solution

The fourth proportional to 783,222, 1,173,636.72 and 582,571.92 is: 872,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,222 : 1,173,636.72 = 582,571.92 : x
  2. Step 2: Convert to fraction form
    783,222/1,173,636.72 = 582,571.92/x
  3. Step 3: Cross multiply
    783,222x = 1,173,636.72 × 582,571.92
  4. Step 4: Simplify right side
    783,222x = 683,727,797,352.90
  5. Step 5: Solve for x
    x = 683,727,797,352.90/783,222
  6. Step 6: Final answer
    x = 872,968.07

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1.5x scale

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.