Home / 800,853.03-1,105,162.43-438,269.63

Finding the Fourth Proportional to 800,853.03, 1,105,162.43 and 438,269.63

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Solution

The fourth proportional to 800,853.03, 1,105,162.43 and 438,269.63 is: 604,804.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,853.03 : 1,105,162.43 = 438,269.63 : x
  2. Step 2: Convert to fraction form
    800,853.03/1,105,162.43 = 438,269.63/x
  3. Step 3: Cross multiply
    800,853.03x = 1,105,162.43 × 438,269.63
  4. Step 4: Simplify right side
    800,853.03x = 484,359,121,568.84
  5. Step 5: Solve for x
    x = 484,359,121,568.84/800,853.03
  6. Step 6: Final answer
    x = 604,804.01

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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.