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Finding the Fourth Proportional to 1,059,378, 1,461,941.64 and 582,450

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Solution

The fourth proportional to 1,059,378, 1,461,941.64 and 582,450 is: 803,781

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,378 : 1,461,941.64 = 582,450 : x
  2. Step 2: Convert to fraction form
    1,059,378/1,461,941.64 = 582,450/x
  3. Step 3: Cross multiply
    1,059,378x = 1,461,941.64 × 582,450
  4. Step 4: Simplify right side
    1,059,378x = 851,507,908,218
  5. Step 5: Solve for x
    x = 851,507,908,218/1,059,378
  6. Step 6: Final answer
    x = 803,781

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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.