Home / 1,395,272.63-1,925,496.43-783,557.80

Finding the Fourth Proportional to 1,395,272.63, 1,925,496.43 and 783,557.80

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Solution

The fourth proportional to 1,395,272.63, 1,925,496.43 and 783,557.80 is: 1,081,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,272.63 : 1,925,496.43 = 783,557.80 : x
  2. Step 2: Convert to fraction form
    1,395,272.63/1,925,496.43 = 783,557.80/x
  3. Step 3: Cross multiply
    1,395,272.63x = 1,925,496.43 × 783,557.80
  4. Step 4: Simplify right side
    1,395,272.63x = 1,508,737,739,826.02
  5. Step 5: Solve for x
    x = 1,508,737,739,826.02/1,395,272.63
  6. Step 6: Final answer
    x = 1,081,321.10

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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.