Home / 910,979.37-1,257,144.13-503,108.73

Finding the Fourth Proportional to 910,979.37, 1,257,144.13 and 503,108.73

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Solution

The fourth proportional to 910,979.37, 1,257,144.13 and 503,108.73 is: 694,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,979.37 : 1,257,144.13 = 503,108.73 : x
  2. Step 2: Convert to fraction form
    910,979.37/1,257,144.13 = 503,108.73/x
  3. Step 3: Cross multiply
    910,979.37x = 1,257,144.13 × 503,108.73
  4. Step 4: Simplify right side
    910,979.37x = 632,480,187,300.14
  5. Step 5: Solve for x
    x = 632,480,187,300.14/910,979.37
  6. Step 6: Final answer
    x = 694,285.96

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Double scale
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1.5x scale

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.