Home / 810,182.80-1,214,496.60-630,168.40

Finding the Fourth Proportional to 810,182.80, 1,214,496.60 and 630,168.40

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Solution

The fourth proportional to 810,182.80, 1,214,496.60 and 630,168.40 is: 944,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,182.80 : 1,214,496.60 = 630,168.40 : x
  2. Step 2: Convert to fraction form
    810,182.80/1,214,496.60 = 630,168.40/x
  3. Step 3: Cross multiply
    810,182.80x = 1,214,496.60 × 630,168.40
  4. Step 4: Simplify right side
    810,182.80x = 765,337,379,227.44
  5. Step 5: Solve for x
    x = 765,337,379,227.44/810,182.80
  6. Step 6: Final answer
    x = 944,647.77

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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.