Home / 656,908.67-906,534.57-384,922.41

Finding the Fourth Proportional to 656,908.67, 906,534.57 and 384,922.41

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Solution

The fourth proportional to 656,908.67, 906,534.57 and 384,922.41 is: 531,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,908.67 : 906,534.57 = 384,922.41 : x
  2. Step 2: Convert to fraction form
    656,908.67/906,534.57 = 384,922.41/x
  3. Step 3: Cross multiply
    656,908.67x = 906,534.57 × 384,922.41
  4. Step 4: Simplify right side
    656,908.67x = 348,945,471,432.71
  5. Step 5: Solve for x
    x = 348,945,471,432.71/656,908.67
  6. Step 6: Final answer
    x = 531,193.28

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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.