Home / 656,905.12-985,357.68-235,951.36

Finding the Fourth Proportional to 656,905.12, 985,357.68 and 235,951.36

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Solution

The fourth proportional to 656,905.12, 985,357.68 and 235,951.36 is: 353,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,905.12 : 985,357.68 = 235,951.36 : x
  2. Step 2: Convert to fraction form
    656,905.12/985,357.68 = 235,951.36/x
  3. Step 3: Cross multiply
    656,905.12x = 985,357.68 × 235,951.36
  4. Step 4: Simplify right side
    656,905.12x = 232,496,484,682.45
  5. Step 5: Solve for x
    x = 232,496,484,682.45/656,905.12
  6. Step 6: Final answer
    x = 353,927.04

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Similar ratio
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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.