Home / 856,630.87-1,182,132.96-474,654.31

Finding the Fourth Proportional to 856,630.87, 1,182,132.96 and 474,654.31

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Solution

The fourth proportional to 856,630.87, 1,182,132.96 and 474,654.31 is: 655,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,630.87 : 1,182,132.96 = 474,654.31 : x
  2. Step 2: Convert to fraction form
    856,630.87/1,182,132.96 = 474,654.31/x
  3. Step 3: Cross multiply
    856,630.87x = 1,182,132.96 × 474,654.31
  4. Step 4: Simplify right side
    856,630.87x = 561,104,504,457.06
  5. Step 5: Solve for x
    x = 561,104,504,457.06/856,630.87
  6. Step 6: Final answer
    x = 655,013.17

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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.