Home / 582,513.24-803,454.19-388,823.30

Finding the Fourth Proportional to 582,513.24, 803,454.19 and 388,823.30

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Solution

The fourth proportional to 582,513.24, 803,454.19 and 388,823.30 is: 536,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,513.24 : 803,454.19 = 388,823.30 : x
  2. Step 2: Convert to fraction form
    582,513.24/803,454.19 = 388,823.30/x
  3. Step 3: Cross multiply
    582,513.24x = 803,454.19 × 388,823.30
  4. Step 4: Simplify right side
    582,513.24x = 312,401,709,554.63
  5. Step 5: Solve for x
    x = 312,401,709,554.63/582,513.24
  6. Step 6: Final answer
    x = 536,299.76

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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.