Home / 927,832.87-1,280,388.54-540,624.16

Finding the Fourth Proportional to 927,832.87, 1,280,388.54 and 540,624.16

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Solution

The fourth proportional to 927,832.87, 1,280,388.54 and 540,624.16 is: 746,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,832.87 : 1,280,388.54 = 540,624.16 : x
  2. Step 2: Convert to fraction form
    927,832.87/1,280,388.54 = 540,624.16/x
  3. Step 3: Cross multiply
    927,832.87x = 1,280,388.54 × 540,624.16
  4. Step 4: Simplify right side
    927,832.87x = 692,208,978,911.13
  5. Step 5: Solve for x
    x = 692,208,978,911.13/927,832.87
  6. Step 6: Final answer
    x = 746,049.21

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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.