Home / 985,238.56-1,359,644.32-577,242.78

Finding the Fourth Proportional to 985,238.56, 1,359,644.32 and 577,242.78

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Solution

The fourth proportional to 985,238.56, 1,359,644.32 and 577,242.78 is: 796,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,238.56 : 1,359,644.32 = 577,242.78 : x
  2. Step 2: Convert to fraction form
    985,238.56/1,359,644.32 = 577,242.78/x
  3. Step 3: Cross multiply
    985,238.56x = 1,359,644.32 × 577,242.78
  4. Step 4: Simplify right side
    985,238.56x = 784,844,867,088.01
  5. Step 5: Solve for x
    x = 784,844,867,088.01/985,238.56
  6. Step 6: Final answer
    x = 796,603.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.