Home / 899,186.14-1,240,862.38-491,279.23

Finding the Fourth Proportional to 899,186.14, 1,240,862.38 and 491,279.23

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Solution

The fourth proportional to 899,186.14, 1,240,862.38 and 491,279.23 is: 677,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,186.14 : 1,240,862.38 = 491,279.23 : x
  2. Step 2: Convert to fraction form
    899,186.14/1,240,862.38 = 491,279.23/x
  3. Step 3: Cross multiply
    899,186.14x = 1,240,862.38 × 491,279.23
  4. Step 4: Simplify right side
    899,186.14x = 609,609,914,582.37
  5. Step 5: Solve for x
    x = 609,609,914,582.37/899,186.14
  6. Step 6: Final answer
    x = 677,957.42

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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.