Home / 1,121,366.25-1,682,749.22-456,518.25

Finding the Fourth Proportional to 1,121,366.25, 1,682,749.22 and 456,518.25

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Solution

The fourth proportional to 1,121,366.25, 1,682,749.22 and 456,518.25 is: 685,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,366.25 : 1,682,749.22 = 456,518.25 : x
  2. Step 2: Convert to fraction form
    1,121,366.25/1,682,749.22 = 456,518.25/x
  3. Step 3: Cross multiply
    1,121,366.25x = 1,682,749.22 × 456,518.25
  4. Step 4: Simplify right side
    1,121,366.25x = 768,205,726,820.67
  5. Step 5: Solve for x
    x = 768,205,726,820.67/1,121,366.25
  6. Step 6: Final answer
    x = 685,062.29

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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.