Home / 1,640,858.22-2,264,498.01-915,847.38

Finding the Fourth Proportional to 1,640,858.22, 2,264,498.01 and 915,847.38

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Solution

The fourth proportional to 1,640,858.22, 2,264,498.01 and 915,847.38 is: 1,263,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,858.22 : 2,264,498.01 = 915,847.38 : x
  2. Step 2: Convert to fraction form
    1,640,858.22/2,264,498.01 = 915,847.38/x
  3. Step 3: Cross multiply
    1,640,858.22x = 2,264,498.01 × 915,847.38
  4. Step 4: Simplify right side
    1,640,858.22x = 2,073,934,569,473.71
  5. Step 5: Solve for x
    x = 2,073,934,569,473.71/1,640,858.22
  6. Step 6: Final answer
    x = 1,263,932.83

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1.5x scale

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.