Home / 935,358.70-1,399,534.80-666,109.30

Finding the Fourth Proportional to 935,358.70, 1,399,534.80 and 666,109.30

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Solution

The fourth proportional to 935,358.70, 1,399,534.80 and 666,109.30 is: 996,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,358.70 : 1,399,534.80 = 666,109.30 : x
  2. Step 2: Convert to fraction form
    935,358.70/1,399,534.80 = 666,109.30/x
  3. Step 3: Cross multiply
    935,358.70x = 1,399,534.80 × 666,109.30
  4. Step 4: Simplify right side
    935,358.70x = 932,243,145,953.64
  5. Step 5: Solve for x
    x = 932,243,145,953.64/935,358.70
  6. Step 6: Final answer
    x = 996,669.13

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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.