Home / 1,332,486.48-1,838,826.12-720,640.02

Finding the Fourth Proportional to 1,332,486.48, 1,838,826.12 and 720,640.02

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Solution

The fourth proportional to 1,332,486.48, 1,838,826.12 and 720,640.02 is: 994,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,486.48 : 1,838,826.12 = 720,640.02 : x
  2. Step 2: Convert to fraction form
    1,332,486.48/1,838,826.12 = 720,640.02/x
  3. Step 3: Cross multiply
    1,332,486.48x = 1,838,826.12 × 720,640.02
  4. Step 4: Simplify right side
    1,332,486.48x = 1,325,131,691,893.32
  5. Step 5: Solve for x
    x = 1,325,131,691,893.32/1,332,486.48
  6. Step 6: Final answer
    x = 994,480.40

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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.