Home / 1,189,148.51-1,783,782.71-336,281.49

Finding the Fourth Proportional to 1,189,148.51, 1,783,782.71 and 336,281.49

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Solution

The fourth proportional to 1,189,148.51, 1,783,782.71 and 336,281.49 is: 504,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,148.51 : 1,783,782.71 = 336,281.49 : x
  2. Step 2: Convert to fraction form
    1,189,148.51/1,783,782.71 = 336,281.49/x
  3. Step 3: Cross multiply
    1,189,148.51x = 1,783,782.71 × 336,281.49
  4. Step 4: Simplify right side
    1,189,148.51x = 599,853,107,134.69
  5. Step 5: Solve for x
    x = 599,853,107,134.69/1,189,148.51
  6. Step 6: Final answer
    x = 504,439.19

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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.