Home / 461,919.76-637,443.01-257,974.32

Finding the Fourth Proportional to 461,919.76, 637,443.01 and 257,974.32

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Solution

The fourth proportional to 461,919.76, 637,443.01 and 257,974.32 is: 356,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,919.76 : 637,443.01 = 257,974.32 : x
  2. Step 2: Convert to fraction form
    461,919.76/637,443.01 = 257,974.32/x
  3. Step 3: Cross multiply
    461,919.76x = 637,443.01 × 257,974.32
  4. Step 4: Simplify right side
    461,919.76x = 164,443,923,211.35
  5. Step 5: Solve for x
    x = 164,443,923,211.35/461,919.76
  6. Step 6: Final answer
    x = 356,001.06

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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.