Home / 1,260,262.64-1,889,825.24-361,500.40

Finding the Fourth Proportional to 1,260,262.64, 1,889,825.24 and 361,500.40

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Solution

The fourth proportional to 1,260,262.64, 1,889,825.24 and 361,500.40 is: 542,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,262.64 : 1,889,825.24 = 361,500.40 : x
  2. Step 2: Convert to fraction form
    1,260,262.64/1,889,825.24 = 361,500.40/x
  3. Step 3: Cross multiply
    1,260,262.64x = 1,889,825.24 × 361,500.40
  4. Step 4: Simplify right side
    1,260,262.64x = 683,172,580,190.10
  5. Step 5: Solve for x
    x = 683,172,580,190.10/1,260,262.64
  6. Step 6: Final answer
    x = 542,087.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.