Home / 1,640,013.19-2,263,221.48-914,842.06

Finding the Fourth Proportional to 1,640,013.19, 2,263,221.48 and 914,842.06

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Solution

The fourth proportional to 1,640,013.19, 2,263,221.48 and 914,842.06 is: 1,262,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,013.19 : 2,263,221.48 = 914,842.06 : x
  2. Step 2: Convert to fraction form
    1,640,013.19/2,263,221.48 = 914,842.06/x
  3. Step 3: Cross multiply
    1,640,013.19x = 2,263,221.48 × 914,842.06
  4. Step 4: Simplify right side
    1,640,013.19x = 2,070,490,200,999.45
  5. Step 5: Solve for x
    x = 2,070,490,200,999.45/1,640,013.19
  6. Step 6: Final answer
    x = 1,262,483.87

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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.