Home / 557,905.23-836,366.98-221,182.56

Finding the Fourth Proportional to 557,905.23, 836,366.98 and 221,182.56

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Solution

The fourth proportional to 557,905.23, 836,366.98 and 221,182.56 is: 331,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,905.23 : 836,366.98 = 221,182.56 : x
  2. Step 2: Convert to fraction form
    557,905.23/836,366.98 = 221,182.56/x
  3. Step 3: Cross multiply
    557,905.23x = 836,366.98 × 221,182.56
  4. Step 4: Simplify right side
    557,905.23x = 184,989,789,182.91
  5. Step 5: Solve for x
    x = 184,989,789,182.91/557,905.23
  6. Step 6: Final answer
    x = 331,579.23

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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.