Home / 985,604.02-1,359,876.52-577,486.58

Finding the Fourth Proportional to 985,604.02, 1,359,876.52 and 577,486.58

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Solution

The fourth proportional to 985,604.02, 1,359,876.52 and 577,486.58 is: 796,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,604.02 : 1,359,876.52 = 577,486.58 : x
  2. Step 2: Convert to fraction form
    985,604.02/1,359,876.52 = 577,486.58/x
  3. Step 3: Cross multiply
    985,604.02x = 1,359,876.52 × 577,486.58
  4. Step 4: Simplify right side
    985,604.02x = 785,310,440,757.10
  5. Step 5: Solve for x
    x = 785,310,440,757.10/985,604.02
  6. Step 6: Final answer
    x = 796,780.88

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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.