Home / 1,920,077.88-2,879,152.54-640,232.27

Finding the Fourth Proportional to 1,920,077.88, 2,879,152.54 and 640,232.27

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Solution

The fourth proportional to 1,920,077.88, 2,879,152.54 and 640,232.27 is: 960,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,077.88 : 2,879,152.54 = 640,232.27 : x
  2. Step 2: Convert to fraction form
    1,920,077.88/2,879,152.54 = 640,232.27/x
  3. Step 3: Cross multiply
    1,920,077.88x = 2,879,152.54 × 640,232.27
  4. Step 4: Simplify right side
    1,920,077.88x = 1,843,326,364,762.25
  5. Step 5: Solve for x
    x = 1,843,326,364,762.25/1,920,077.88
  6. Step 6: Final answer
    x = 960,026.87

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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.