Home / 816,045.65-1,125,814.16-493,195.24

Finding the Fourth Proportional to 816,045.65, 1,125,814.16 and 493,195.24

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Solution

The fourth proportional to 816,045.65, 1,125,814.16 and 493,195.24 is: 680,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,045.65 : 1,125,814.16 = 493,195.24 : x
  2. Step 2: Convert to fraction form
    816,045.65/1,125,814.16 = 493,195.24/x
  3. Step 3: Cross multiply
    816,045.65x = 1,125,814.16 × 493,195.24
  4. Step 4: Simplify right side
    816,045.65x = 555,246,179,556.09
  5. Step 5: Solve for x
    x = 555,246,179,556.09/816,045.65
  6. Step 6: Final answer
    x = 680,410.69

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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.