Home / 838,081.36-1,257,115.26-555,038.60

Finding the Fourth Proportional to 838,081.36, 1,257,115.26 and 555,038.60

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Solution

The fourth proportional to 838,081.36, 1,257,115.26 and 555,038.60 is: 832,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,081.36 : 1,257,115.26 = 555,038.60 : x
  2. Step 2: Convert to fraction form
    838,081.36/1,257,115.26 = 555,038.60/x
  3. Step 3: Cross multiply
    838,081.36x = 1,257,115.26 × 555,038.60
  4. Step 4: Simplify right side
    838,081.36x = 697,747,493,949.04
  5. Step 5: Solve for x
    x = 697,747,493,949.04/838,081.36
  6. Step 6: Final answer
    x = 832,553.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.