Home / 838,266.09-1,257,399.54-277,300.59

Finding the Fourth Proportional to 838,266.09, 1,257,399.54 and 277,300.59

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Solution

The fourth proportional to 838,266.09, 1,257,399.54 and 277,300.59 is: 415,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,266.09 : 1,257,399.54 = 277,300.59 : x
  2. Step 2: Convert to fraction form
    838,266.09/1,257,399.54 = 277,300.59/x
  3. Step 3: Cross multiply
    838,266.09x = 1,257,399.54 × 277,300.59
  4. Step 4: Simplify right side
    838,266.09x = 348,677,634,307.73
  5. Step 5: Solve for x
    x = 348,677,634,307.73/838,266.09
  6. Step 6: Final answer
    x = 415,951.02

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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.