Home / 757,367.28-1,045,173.24-417,858.48

Finding the Fourth Proportional to 757,367.28, 1,045,173.24 and 417,858.48

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Solution

The fourth proportional to 757,367.28, 1,045,173.24 and 417,858.48 is: 576,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,367.28 : 1,045,173.24 = 417,858.48 : x
  2. Step 2: Convert to fraction form
    757,367.28/1,045,173.24 = 417,858.48/x
  3. Step 3: Cross multiply
    757,367.28x = 1,045,173.24 × 417,858.48
  4. Step 4: Simplify right side
    757,367.28x = 436,734,501,403.08
  5. Step 5: Solve for x
    x = 436,734,501,403.08/757,367.28
  6. Step 6: Final answer
    x = 576,648.23

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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.