Home / 1,720,223.51-2,580,033.53-655,329.47

Finding the Fourth Proportional to 1,720,223.51, 2,580,033.53 and 655,329.47

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Solution

The fourth proportional to 1,720,223.51, 2,580,033.53 and 655,329.47 is: 982,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,223.51 : 2,580,033.53 = 655,329.47 : x
  2. Step 2: Convert to fraction form
    1,720,223.51/2,580,033.53 = 655,329.47/x
  3. Step 3: Cross multiply
    1,720,223.51x = 2,580,033.53 × 655,329.47
  4. Step 4: Simplify right side
    1,720,223.51x = 1,690,771,994,535.29
  5. Step 5: Solve for x
    x = 1,690,771,994,535.29/1,720,223.51
  6. Step 6: Final answer
    x = 982,879.25

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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.