Home / 935,390.70-1,399,582.80-666,141.30

Finding the Fourth Proportional to 935,390.70, 1,399,582.80 and 666,141.30

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Solution

The fourth proportional to 935,390.70, 1,399,582.80 and 666,141.30 is: 996,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,390.70 : 1,399,582.80 = 666,141.30 : x
  2. Step 2: Convert to fraction form
    935,390.70/1,399,582.80 = 666,141.30/x
  3. Step 3: Cross multiply
    935,390.70x = 1,399,582.80 × 666,141.30
  4. Step 4: Simplify right side
    935,390.70x = 932,319,905,849.64
  5. Step 5: Solve for x
    x = 932,319,905,849.64/935,390.70
  6. Step 6: Final answer
    x = 996,717.10

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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.