Home / 1,335,357.98-2,003,039.52-324,480.80

Finding the Fourth Proportional to 1,335,357.98, 2,003,039.52 and 324,480.80

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Solution

The fourth proportional to 1,335,357.98, 2,003,039.52 and 324,480.80 is: 486,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,357.98 : 2,003,039.52 = 324,480.80 : x
  2. Step 2: Convert to fraction form
    1,335,357.98/2,003,039.52 = 324,480.80/x
  3. Step 3: Cross multiply
    1,335,357.98x = 2,003,039.52 × 324,480.80
  4. Step 4: Simplify right side
    1,335,357.98x = 649,947,865,881.22
  5. Step 5: Solve for x
    x = 649,947,865,881.22/1,335,357.98
  6. Step 6: Final answer
    x = 486,721.82

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Double scale
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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.