Home / 1,720,651.78-2,579,468.63-654,985.00

Finding the Fourth Proportional to 1,720,651.78, 2,579,468.63 and 654,985.00

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Solution

The fourth proportional to 1,720,651.78, 2,579,468.63 and 654,985.00 is: 981,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,651.78 : 2,579,468.63 = 654,985.00 : x
  2. Step 2: Convert to fraction form
    1,720,651.78/2,579,468.63 = 654,985.00/x
  3. Step 3: Cross multiply
    1,720,651.78x = 2,579,468.63 × 654,985.00
  4. Step 4: Simplify right side
    1,720,651.78x = 1,689,513,250,896.95
  5. Step 5: Solve for x
    x = 1,689,513,250,896.95/1,720,651.78
  6. Step 6: Final answer
    x = 981,903.06

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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.