Home / 556,531.56-834,928.38-443,108.34

Finding the Fourth Proportional to 556,531.56, 834,928.38 and 443,108.34

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Solution

The fourth proportional to 556,531.56, 834,928.38 and 443,108.34 is: 664,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,531.56 : 834,928.38 = 443,108.34 : x
  2. Step 2: Convert to fraction form
    556,531.56/834,928.38 = 443,108.34/x
  3. Step 3: Cross multiply
    556,531.56x = 834,928.38 × 443,108.34
  4. Step 4: Simplify right side
    556,531.56x = 369,963,728,480.69
  5. Step 5: Solve for x
    x = 369,963,728,480.69/556,531.56
  6. Step 6: Final answer
    x = 664,766.84

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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.