Home / 1,605,105.17-2,214,997.14-879,928.10

Finding the Fourth Proportional to 1,605,105.17, 2,214,997.14 and 879,928.10

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Solution

The fourth proportional to 1,605,105.17, 2,214,997.14 and 879,928.10 is: 1,214,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,105.17 : 2,214,997.14 = 879,928.10 : x
  2. Step 2: Convert to fraction form
    1,605,105.17/2,214,997.14 = 879,928.10/x
  3. Step 3: Cross multiply
    1,605,105.17x = 2,214,997.14 × 879,928.10
  4. Step 4: Simplify right side
    1,605,105.17x = 1,949,038,224,905.63
  5. Step 5: Solve for x
    x = 1,949,038,224,905.63/1,605,105.17
  6. Step 6: Final answer
    x = 1,214,274.47

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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.