Home / 1,920,297.40-2,879,812.93-640,552.23

Finding the Fourth Proportional to 1,920,297.40, 2,879,812.93 and 640,552.23

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Solution

The fourth proportional to 1,920,297.40, 2,879,812.93 and 640,552.23 is: 960,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,297.40 : 2,879,812.93 = 640,552.23 : x
  2. Step 2: Convert to fraction form
    1,920,297.40/2,879,812.93 = 640,552.23/x
  3. Step 3: Cross multiply
    1,920,297.40x = 2,879,812.93 × 640,552.23
  4. Step 4: Simplify right side
    1,920,297.40x = 1,844,670,588,496.88
  5. Step 5: Solve for x
    x = 1,844,670,588,496.88/1,920,297.40
  6. Step 6: Final answer
    x = 960,617.14

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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.