Home / 619,034.52-854,419.44-377,450.16

Finding the Fourth Proportional to 619,034.52, 854,419.44 and 377,450.16

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Solution

The fourth proportional to 619,034.52, 854,419.44 and 377,450.16 is: 520,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,034.52 : 854,419.44 = 377,450.16 : x
  2. Step 2: Convert to fraction form
    619,034.52/854,419.44 = 377,450.16/x
  3. Step 3: Cross multiply
    619,034.52x = 854,419.44 × 377,450.16
  4. Step 4: Simplify right side
    619,034.52x = 322,500,754,335.11
  5. Step 5: Solve for x
    x = 322,500,754,335.11/619,034.52
  6. Step 6: Final answer
    x = 520,973.78

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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.