Home / 1,037,372.60-1,555,436.82-405,533.72

Finding the Fourth Proportional to 1,037,372.60, 1,555,436.82 and 405,533.72

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Solution

The fourth proportional to 1,037,372.60, 1,555,436.82 and 405,533.72 is: 608,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,372.60 : 1,555,436.82 = 405,533.72 : x
  2. Step 2: Convert to fraction form
    1,037,372.60/1,555,436.82 = 405,533.72/x
  3. Step 3: Cross multiply
    1,037,372.60x = 1,555,436.82 × 405,533.72
  4. Step 4: Simplify right side
    1,037,372.60x = 630,782,079,839.57
  5. Step 5: Solve for x
    x = 630,782,079,839.57/1,037,372.60
  6. Step 6: Final answer
    x = 608,057.39

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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.