Home / 1,690,086.47-2,535,544.42-492,019.52

Finding the Fourth Proportional to 1,690,086.47, 2,535,544.42 and 492,019.52

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Solution

The fourth proportional to 1,690,086.47, 2,535,544.42 and 492,019.52 is: 738,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,086.47 : 2,535,544.42 = 492,019.52 : x
  2. Step 2: Convert to fraction form
    1,690,086.47/2,535,544.42 = 492,019.52/x
  3. Step 3: Cross multiply
    1,690,086.47x = 2,535,544.42 × 492,019.52
  4. Step 4: Simplify right side
    1,690,086.47x = 1,247,537,334,559.31
  5. Step 5: Solve for x
    x = 1,247,537,334,559.31/1,690,086.47
  6. Step 6: Final answer
    x = 738,150.01

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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.