Home / 1,720,636.05-2,579,445-654,969.27

Finding the Fourth Proportional to 1,720,636.05, 2,579,445 and 654,969.27

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Solution

The fourth proportional to 1,720,636.05, 2,579,445 and 654,969.27 is: 981,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,636.05 : 2,579,445 = 654,969.27 : x
  2. Step 2: Convert to fraction form
    1,720,636.05/2,579,445 = 654,969.27/x
  3. Step 3: Cross multiply
    1,720,636.05x = 2,579,445 × 654,969.27
  4. Step 4: Simplify right side
    1,720,636.05x = 1,689,457,208,655.15
  5. Step 5: Solve for x
    x = 1,689,457,208,655.15/1,720,636.05
  6. Step 6: Final answer
    x = 981,879.47

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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.