Home / 884,986.16-1,221,278.64-482,578.16

Finding the Fourth Proportional to 884,986.16, 1,221,278.64 and 482,578.16

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Solution

The fourth proportional to 884,986.16, 1,221,278.64 and 482,578.16 is: 665,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,986.16 : 1,221,278.64 = 482,578.16 : x
  2. Step 2: Convert to fraction form
    884,986.16/1,221,278.64 = 482,578.16/x
  3. Step 3: Cross multiply
    884,986.16x = 1,221,278.64 × 482,578.16
  4. Step 4: Simplify right side
    884,986.16x = 589,362,392,832.11
  5. Step 5: Solve for x
    x = 589,362,392,832.11/884,986.16
  6. Step 6: Final answer
    x = 665,956.62

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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.