Home / 810,053.40-1,214,496.90-455,176.20

Finding the Fourth Proportional to 810,053.40, 1,214,496.90 and 455,176.20

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Solution

The fourth proportional to 810,053.40, 1,214,496.90 and 455,176.20 is: 682,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,053.40 : 1,214,496.90 = 455,176.20 : x
  2. Step 2: Convert to fraction form
    810,053.40/1,214,496.90 = 455,176.20/x
  3. Step 3: Cross multiply
    810,053.40x = 1,214,496.90 × 455,176.20
  4. Step 4: Simplify right side
    810,053.40x = 552,810,083,853.78
  5. Step 5: Solve for x
    x = 552,810,083,853.78/810,053.40
  6. Step 6: Final answer
    x = 682,436.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.