Home / 1,059,345.20-1,589,632.20-394,564.40

Finding the Fourth Proportional to 1,059,345.20, 1,589,632.20 and 394,564.40

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Solution

The fourth proportional to 1,059,345.20, 1,589,632.20 and 394,564.40 is: 592,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,345.20 : 1,589,632.20 = 394,564.40 : x
  2. Step 2: Convert to fraction form
    1,059,345.20/1,589,632.20 = 394,564.40/x
  3. Step 3: Cross multiply
    1,059,345.20x = 1,589,632.20 × 394,564.40
  4. Step 4: Simplify right side
    1,059,345.20x = 627,212,275,213.68
  5. Step 5: Solve for x
    x = 627,212,275,213.68/1,059,345.20
  6. Step 6: Final answer
    x = 592,075.44

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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.