Home / 812,134.15-1,219,398.79-453,006.67

Finding the Fourth Proportional to 812,134.15, 1,219,398.79 and 453,006.67

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Solution

The fourth proportional to 812,134.15, 1,219,398.79 and 453,006.67 is: 680,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,134.15 : 1,219,398.79 = 453,006.67 : x
  2. Step 2: Convert to fraction form
    812,134.15/1,219,398.79 = 453,006.67/x
  3. Step 3: Cross multiply
    812,134.15x = 1,219,398.79 × 453,006.67
  4. Step 4: Simplify right side
    812,134.15x = 552,395,785,259.93
  5. Step 5: Solve for x
    x = 552,395,785,259.93/812,134.15
  6. Step 6: Final answer
    x = 680,178.00

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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.