Home / 985,274.83-1,359,694.40-577,279.03

Finding the Fourth Proportional to 985,274.83, 1,359,694.40 and 577,279.03

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Solution

The fourth proportional to 985,274.83, 1,359,694.40 and 577,279.03 is: 796,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,274.83 : 1,359,694.40 = 577,279.03 : x
  2. Step 2: Convert to fraction form
    985,274.83/1,359,694.40 = 577,279.03/x
  3. Step 3: Cross multiply
    985,274.83x = 1,359,694.40 × 577,279.03
  4. Step 4: Simplify right side
    985,274.83x = 784,923,064,328.43
  5. Step 5: Solve for x
    x = 784,923,064,328.43/985,274.83
  6. Step 6: Final answer
    x = 796,653.93

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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.