Home / 1,335,356.98-2,003,038.02-324,479.80

Finding the Fourth Proportional to 1,335,356.98, 2,003,038.02 and 324,479.80

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Solution

The fourth proportional to 1,335,356.98, 2,003,038.02 and 324,479.80 is: 486,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,356.98 : 2,003,038.02 = 324,479.80 : x
  2. Step 2: Convert to fraction form
    1,335,356.98/2,003,038.02 = 324,479.80/x
  3. Step 3: Cross multiply
    1,335,356.98x = 2,003,038.02 × 324,479.80
  4. Step 4: Simplify right side
    1,335,356.98x = 649,945,376,122.00
  5. Step 5: Solve for x
    x = 649,945,376,122.00/1,335,356.98
  6. Step 6: Final answer
    x = 486,720.32

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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.