Home / 838,273.09-1,257,410.04-277,307.59

Finding the Fourth Proportional to 838,273.09, 1,257,410.04 and 277,307.59

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Solution

The fourth proportional to 838,273.09, 1,257,410.04 and 277,307.59 is: 415,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,273.09 : 1,257,410.04 = 277,307.59 : x
  2. Step 2: Convert to fraction form
    838,273.09/1,257,410.04 = 277,307.59/x
  3. Step 3: Cross multiply
    838,273.09x = 1,257,410.04 × 277,307.59
  4. Step 4: Simplify right side
    838,273.09x = 348,689,347,834.20
  5. Step 5: Solve for x
    x = 348,689,347,834.20/838,273.09
  6. Step 6: Final answer
    x = 415,961.52

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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.