Home / 461,778.96-637,248.88-257,833.36

Finding the Fourth Proportional to 461,778.96, 637,248.88 and 257,833.36

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Solution

The fourth proportional to 461,778.96, 637,248.88 and 257,833.36 is: 355,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,778.96 : 637,248.88 = 257,833.36 : x
  2. Step 2: Convert to fraction form
    461,778.96/637,248.88 = 257,833.36/x
  3. Step 3: Cross multiply
    461,778.96x = 637,248.88 × 257,833.36
  4. Step 4: Simplify right side
    461,778.96x = 164,304,019,886.64
  5. Step 5: Solve for x
    x = 164,304,019,886.64/461,778.96
  6. Step 6: Final answer
    x = 355,806.64

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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.