Home / 639,996.02-883,174.52-349,602.92

Finding the Fourth Proportional to 639,996.02, 883,174.52 and 349,602.92

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Solution

The fourth proportional to 639,996.02, 883,174.52 and 349,602.92 is: 482,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,996.02 : 883,174.52 = 349,602.92 : x
  2. Step 2: Convert to fraction form
    639,996.02/883,174.52 = 349,602.92/x
  3. Step 3: Cross multiply
    639,996.02x = 883,174.52 × 349,602.92
  4. Step 4: Simplify right side
    639,996.02x = 308,760,391,061.60
  5. Step 5: Solve for x
    x = 308,760,391,061.60/639,996.02
  6. Step 6: Final answer
    x = 482,441.11

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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.