Home / 985,617.99-1,359,895.72-577,500.57

Finding the Fourth Proportional to 985,617.99, 1,359,895.72 and 577,500.57

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Solution

The fourth proportional to 985,617.99, 1,359,895.72 and 577,500.57 is: 796,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,617.99 : 1,359,895.72 = 577,500.57 : x
  2. Step 2: Convert to fraction form
    985,617.99/1,359,895.72 = 577,500.57/x
  3. Step 3: Cross multiply
    985,617.99x = 1,359,895.72 × 577,500.57
  4. Step 4: Simplify right side
    985,617.99x = 785,340,543,753.58
  5. Step 5: Solve for x
    x = 785,340,543,753.58/985,617.99
  6. Step 6: Final answer
    x = 796,800.14

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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.