Home / 463,902.08-640,174.02-272,927.76

Finding the Fourth Proportional to 463,902.08, 640,174.02 and 272,927.76

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Solution

The fourth proportional to 463,902.08, 640,174.02 and 272,927.76 is: 376,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,902.08 : 640,174.02 = 272,927.76 : x
  2. Step 2: Convert to fraction form
    463,902.08/640,174.02 = 272,927.76/x
  3. Step 3: Cross multiply
    463,902.08x = 640,174.02 × 272,927.76
  4. Step 4: Simplify right side
    463,902.08x = 174,721,261,288.80
  5. Step 5: Solve for x
    x = 174,721,261,288.80/463,902.08
  6. Step 6: Final answer
    x = 376,633.93

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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.