Home / 910,186.25-1,256,087.17-496,745.65

Finding the Fourth Proportional to 910,186.25, 1,256,087.17 and 496,745.65

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Solution

The fourth proportional to 910,186.25, 1,256,087.17 and 496,745.65 is: 685,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,186.25 : 1,256,087.17 = 496,745.65 : x
  2. Step 2: Convert to fraction form
    910,186.25/1,256,087.17 = 496,745.65/x
  3. Step 3: Cross multiply
    910,186.25x = 1,256,087.17 × 496,745.65
  4. Step 4: Simplify right side
    910,186.25x = 623,955,830,049.67
  5. Step 5: Solve for x
    x = 623,955,830,049.67/910,186.25
  6. Step 6: Final answer
    x = 685,525.44

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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.