Home / 736,486.64-1,016,268.96-414,189.80

Finding the Fourth Proportional to 736,486.64, 1,016,268.96 and 414,189.80

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Solution

The fourth proportional to 736,486.64, 1,016,268.96 and 414,189.80 is: 571,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,486.64 : 1,016,268.96 = 414,189.80 : x
  2. Step 2: Convert to fraction form
    736,486.64/1,016,268.96 = 414,189.80/x
  3. Step 3: Cross multiply
    736,486.64x = 1,016,268.96 × 414,189.80
  4. Step 4: Simplify right side
    736,486.64x = 420,928,237,288.61
  5. Step 5: Solve for x
    x = 420,928,237,288.61/736,486.64
  6. Step 6: Final answer
    x = 571,535.47

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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.