Home / 461,515.49-636,890.00-257,564.24

Finding the Fourth Proportional to 461,515.49, 636,890.00 and 257,564.24

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Solution

The fourth proportional to 461,515.49, 636,890.00 and 257,564.24 is: 355,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,515.49 : 636,890.00 = 257,564.24 : x
  2. Step 2: Convert to fraction form
    461,515.49/636,890.00 = 257,564.24/x
  3. Step 3: Cross multiply
    461,515.49x = 636,890.00 × 257,564.24
  4. Step 4: Simplify right side
    461,515.49x = 164,040,084,341.33
  5. Step 5: Solve for x
    x = 164,040,084,341.33/461,515.49
  6. Step 6: Final answer
    x = 355,437.88

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1.5x scale

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.