Home / 619,108.30-854,356.13-347,170.23

Finding the Fourth Proportional to 619,108.30, 854,356.13 and 347,170.23

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Solution

The fourth proportional to 619,108.30, 854,356.13 and 347,170.23 is: 479,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,108.30 : 854,356.13 = 347,170.23 : x
  2. Step 2: Convert to fraction form
    619,108.30/854,356.13 = 347,170.23/x
  3. Step 3: Cross multiply
    619,108.30x = 854,356.13 × 347,170.23
  4. Step 4: Simplify right side
    619,108.30x = 296,607,014,154.01
  5. Step 5: Solve for x
    x = 296,607,014,154.01/619,108.30
  6. Step 6: Final answer
    x = 479,087.45

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Double scale
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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.