Home / 910,198.94-1,256,104.69-496,758.29

Finding the Fourth Proportional to 910,198.94, 1,256,104.69 and 496,758.29

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Solution

The fourth proportional to 910,198.94, 1,256,104.69 and 496,758.29 is: 685,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,198.94 : 1,256,104.69 = 496,758.29 : x
  2. Step 2: Convert to fraction form
    910,198.94/1,256,104.69 = 496,758.29/x
  3. Step 3: Cross multiply
    910,198.94x = 1,256,104.69 × 496,758.29
  4. Step 4: Simplify right side
    910,198.94x = 623,980,410,342.96
  5. Step 5: Solve for x
    x = 623,980,410,342.96/910,198.94
  6. Step 6: Final answer
    x = 685,542.89

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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.