Home / 656,822.71-906,425.40-384,825.52

Finding the Fourth Proportional to 656,822.71, 906,425.40 and 384,825.52

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Solution

The fourth proportional to 656,822.71, 906,425.40 and 384,825.52 is: 531,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,822.71 : 906,425.40 = 384,825.52 : x
  2. Step 2: Convert to fraction form
    656,822.71/906,425.40 = 384,825.52/x
  3. Step 3: Cross multiply
    656,822.71x = 906,425.40 × 384,825.52
  4. Step 4: Simplify right side
    656,822.71x = 348,815,625,896.21
  5. Step 5: Solve for x
    x = 348,815,625,896.21/656,822.71
  6. Step 6: Final answer
    x = 531,065.11

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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.