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Finding the Fourth Proportional to 1,059,390, 1,461,958.20 and 582,462

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Solution

The fourth proportional to 1,059,390, 1,461,958.20 and 582,462 is: 803,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,390 : 1,461,958.20 = 582,462 : x
  2. Step 2: Convert to fraction form
    1,059,390/1,461,958.20 = 582,462/x
  3. Step 3: Cross multiply
    1,059,390x = 1,461,958.20 × 582,462
  4. Step 4: Simplify right side
    1,059,390x = 851,535,097,088.40
  5. Step 5: Solve for x
    x = 851,535,097,088.40/1,059,390
  6. Step 6: Final answer
    x = 803,797.56

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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.