Home / 935,348.70-1,399,519.80-666,099.30

Finding the Fourth Proportional to 935,348.70, 1,399,519.80 and 666,099.30

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Solution

The fourth proportional to 935,348.70, 1,399,519.80 and 666,099.30 is: 996,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,348.70 : 1,399,519.80 = 666,099.30 : x
  2. Step 2: Convert to fraction form
    935,348.70/1,399,519.80 = 666,099.30/x
  3. Step 3: Cross multiply
    935,348.70x = 1,399,519.80 × 666,099.30
  4. Step 4: Simplify right side
    935,348.70x = 932,219,159,116.14
  5. Step 5: Solve for x
    x = 932,219,159,116.14/935,348.70
  6. Step 6: Final answer
    x = 996,654.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.