Home / 1,917,343.10-2,876,087.55-638,064.74

Finding the Fourth Proportional to 1,917,343.10, 2,876,087.55 and 638,064.74

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Solution

The fourth proportional to 1,917,343.10, 2,876,087.55 and 638,064.74 is: 957,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,343.10 : 2,876,087.55 = 638,064.74 : x
  2. Step 2: Convert to fraction form
    1,917,343.10/2,876,087.55 = 638,064.74/x
  3. Step 3: Cross multiply
    1,917,343.10x = 2,876,087.55 × 638,064.74
  4. Step 4: Simplify right side
    1,917,343.10x = 1,835,130,064,390.95
  5. Step 5: Solve for x
    x = 1,835,130,064,390.95/1,917,343.10
  6. Step 6: Final answer
    x = 957,121.37

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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.