Home / 1,913,272.00-2,640,314.87-1,053,832.26

Finding the Fourth Proportional to 1,913,272.00, 2,640,314.87 and 1,053,832.26

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Solution

The fourth proportional to 1,913,272.00, 2,640,314.87 and 1,053,832.26 is: 1,454,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,272.00 : 2,640,314.87 = 1,053,832.26 : x
  2. Step 2: Convert to fraction form
    1,913,272.00/2,640,314.87 = 1,053,832.26/x
  3. Step 3: Cross multiply
    1,913,272.00x = 2,640,314.87 × 1,053,832.26
  4. Step 4: Simplify right side
    1,913,272.00x = 2,782,448,989,952.52
  5. Step 5: Solve for x
    x = 2,782,448,989,952.52/1,913,272.00
  6. Step 6: Final answer
    x = 1,454,288.25

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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.