Home / 1,605,104.17-2,214,995.76-879,927.10

Finding the Fourth Proportional to 1,605,104.17, 2,214,995.76 and 879,927.10

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Solution

The fourth proportional to 1,605,104.17, 2,214,995.76 and 879,927.10 is: 1,214,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,104.17 : 2,214,995.76 = 879,927.10 : x
  2. Step 2: Convert to fraction form
    1,605,104.17/2,214,995.76 = 879,927.10/x
  3. Step 3: Cross multiply
    1,605,104.17x = 2,214,995.76 × 879,927.10
  4. Step 4: Simplify right side
    1,605,104.17x = 1,949,034,790,071.61
  5. Step 5: Solve for x
    x = 1,949,034,790,071.61/1,605,104.17
  6. Step 6: Final answer
    x = 1,214,273.09

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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.