Home / 1,868,126.63-2,802,192.66-520,293.11

Finding the Fourth Proportional to 1,868,126.63, 2,802,192.66 and 520,293.11

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Solution

The fourth proportional to 1,868,126.63, 2,802,192.66 and 520,293.11 is: 780,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,126.63 : 2,802,192.66 = 520,293.11 : x
  2. Step 2: Convert to fraction form
    1,868,126.63/2,802,192.66 = 520,293.11/x
  3. Step 3: Cross multiply
    1,868,126.63x = 2,802,192.66 × 520,293.11
  4. Step 4: Simplify right side
    1,868,126.63x = 1,457,961,519,879.61
  5. Step 5: Solve for x
    x = 1,457,961,519,879.61/1,868,126.63
  6. Step 6: Final answer
    x = 780,440.42

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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.