Home / 1,214,695.54-1,821,856.47-405,094.13

Finding the Fourth Proportional to 1,214,695.54, 1,821,856.47 and 405,094.13

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Solution

The fourth proportional to 1,214,695.54, 1,821,856.47 and 405,094.13 is: 607,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,695.54 : 1,821,856.47 = 405,094.13 : x
  2. Step 2: Convert to fraction form
    1,214,695.54/1,821,856.47 = 405,094.13/x
  3. Step 3: Cross multiply
    1,214,695.54x = 1,821,856.47 × 405,094.13
  4. Step 4: Simplify right side
    1,214,695.54x = 738,023,361,699.52
  5. Step 5: Solve for x
    x = 738,023,361,699.52/1,214,695.54
  6. Step 6: Final answer
    x = 607,578.88

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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.