Home / 816,360.35-1,126,590.75-448,853.01

Finding the Fourth Proportional to 816,360.35, 1,126,590.75 and 448,853.01

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Solution

The fourth proportional to 816,360.35, 1,126,590.75 and 448,853.01 is: 619,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,360.35 : 1,126,590.75 = 448,853.01 : x
  2. Step 2: Convert to fraction form
    816,360.35/1,126,590.75 = 448,853.01/x
  3. Step 3: Cross multiply
    816,360.35x = 1,126,590.75 × 448,853.01
  4. Step 4: Simplify right side
    816,360.35x = 505,673,649,175.66
  5. Step 5: Solve for x
    x = 505,673,649,175.66/816,360.35
  6. Step 6: Final answer
    x = 619,424.56

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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.