Home / 461,905.04-637,422.22-257,953.80

Finding the Fourth Proportional to 461,905.04, 637,422.22 and 257,953.80

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Solution

The fourth proportional to 461,905.04, 637,422.22 and 257,953.80 is: 355,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,905.04 : 637,422.22 = 257,953.80 : x
  2. Step 2: Convert to fraction form
    461,905.04/637,422.22 = 257,953.80/x
  3. Step 3: Cross multiply
    461,905.04x = 637,422.22 × 257,953.80
  4. Step 4: Simplify right side
    461,905.04x = 164,425,481,785.55
  5. Step 5: Solve for x
    x = 164,425,481,785.55/461,905.04
  6. Step 6: Final answer
    x = 355,972.48

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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.