Home / 926,039.75-1,389,759.47-393,935.36

Finding the Fourth Proportional to 926,039.75, 1,389,759.47 and 393,935.36

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Solution

The fourth proportional to 926,039.75, 1,389,759.47 and 393,935.36 is: 591,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,039.75 : 1,389,759.47 = 393,935.36 : x
  2. Step 2: Convert to fraction form
    926,039.75/1,389,759.47 = 393,935.36/x
  3. Step 3: Cross multiply
    926,039.75x = 1,389,759.47 × 393,935.36
  4. Step 4: Simplify right side
    926,039.75x = 547,475,388,209.39
  5. Step 5: Solve for x
    x = 547,475,388,209.39/926,039.75
  6. Step 6: Final answer
    x = 591,200.75

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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.