Home / 582,420.54-872,721.78-368,736.06

Finding the Fourth Proportional to 582,420.54, 872,721.78 and 368,736.06

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Solution

The fourth proportional to 582,420.54, 872,721.78 and 368,736.06 is: 552,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,420.54 : 872,721.78 = 368,736.06 : x
  2. Step 2: Convert to fraction form
    582,420.54/872,721.78 = 368,736.06/x
  3. Step 3: Cross multiply
    582,420.54x = 872,721.78 × 368,736.06
  4. Step 4: Simplify right side
    582,420.54x = 321,803,990,633.39
  5. Step 5: Solve for x
    x = 321,803,990,633.39/582,420.54
  6. Step 6: Final answer
    x = 552,528.57

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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.