Home / 656,546.32-906,103.58-384,842.50

Finding the Fourth Proportional to 656,546.32, 906,103.58 and 384,842.50

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Solution

The fourth proportional to 656,546.32, 906,103.58 and 384,842.50 is: 531,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,546.32 : 906,103.58 = 384,842.50 : x
  2. Step 2: Convert to fraction form
    656,546.32/906,103.58 = 384,842.50/x
  3. Step 3: Cross multiply
    656,546.32x = 906,103.58 × 384,842.50
  4. Step 4: Simplify right side
    656,546.32x = 348,707,160,531.42
  5. Step 5: Solve for x
    x = 348,707,160,531.42/656,546.32
  6. Step 6: Final answer
    x = 531,123.47

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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.