Home / 935,102.40-1,399,154.40-620,174.40

Finding the Fourth Proportional to 935,102.40, 1,399,154.40 and 620,174.40

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Solution

The fourth proportional to 935,102.40, 1,399,154.40 and 620,174.40 is: 927,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,102.40 : 1,399,154.40 = 620,174.40 : x
  2. Step 2: Convert to fraction form
    935,102.40/1,399,154.40 = 620,174.40/x
  3. Step 3: Cross multiply
    935,102.40x = 1,399,154.40 × 620,174.40
  4. Step 4: Simplify right side
    935,102.40x = 867,719,740,527.36
  5. Step 5: Solve for x
    x = 867,719,740,527.36/935,102.40
  6. Step 6: Final answer
    x = 927,940.88

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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.