Home / 1,959,612.23-2,939,603.22-761,626.28

Finding the Fourth Proportional to 1,959,612.23, 2,939,603.22 and 761,626.28

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Solution

The fourth proportional to 1,959,612.23, 2,939,603.22 and 761,626.28 is: 1,142,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,612.23 : 2,939,603.22 = 761,626.28 : x
  2. Step 2: Convert to fraction form
    1,959,612.23/2,939,603.22 = 761,626.28/x
  3. Step 3: Cross multiply
    1,959,612.23x = 2,939,603.22 × 761,626.28
  4. Step 4: Simplify right side
    1,959,612.23x = 2,238,879,050,426.61
  5. Step 5: Solve for x
    x = 2,238,879,050,426.61/1,959,612.23
  6. Step 6: Final answer
    x = 1,142,511.27

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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.