Home / 837,528.80-1,256,293.20-501,605.60

Finding the Fourth Proportional to 837,528.80, 1,256,293.20 and 501,605.60

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Solution

The fourth proportional to 837,528.80, 1,256,293.20 and 501,605.60 is: 752,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,528.80 : 1,256,293.20 = 501,605.60 : x
  2. Step 2: Convert to fraction form
    837,528.80/1,256,293.20 = 501,605.60/x
  3. Step 3: Cross multiply
    837,528.80x = 1,256,293.20 × 501,605.60
  4. Step 4: Simplify right side
    837,528.80x = 630,163,704,361.92
  5. Step 5: Solve for x
    x = 630,163,704,361.92/837,528.80
  6. Step 6: Final answer
    x = 752,408.40

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Double scale
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Similar ratio
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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.