Home / 1,718,400.80-2,576,945.10-519,924.80

Finding the Fourth Proportional to 1,718,400.80, 2,576,945.10 and 519,924.80

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Solution

The fourth proportional to 1,718,400.80, 2,576,945.10 and 519,924.80 is: 779,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,400.80 : 2,576,945.10 = 519,924.80 : x
  2. Step 2: Convert to fraction form
    1,718,400.80/2,576,945.10 = 519,924.80/x
  3. Step 3: Cross multiply
    1,718,400.80x = 2,576,945.10 × 519,924.80
  4. Step 4: Simplify right side
    1,718,400.80x = 1,339,817,665,728.48
  5. Step 5: Solve for x
    x = 1,339,817,665,728.48/1,718,400.80
  6. Step 6: Final answer
    x = 779,688.69

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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.