Home / 1,415,276.88-2,122,521-468,721.44

Finding the Fourth Proportional to 1,415,276.88, 2,122,521 and 468,721.44

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Solution

The fourth proportional to 1,415,276.88, 2,122,521 and 468,721.44 is: 702,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,276.88 : 2,122,521 = 468,721.44 : x
  2. Step 2: Convert to fraction form
    1,415,276.88/2,122,521 = 468,721.44/x
  3. Step 3: Cross multiply
    1,415,276.88x = 2,122,521 × 468,721.44
  4. Step 4: Simplify right side
    1,415,276.88x = 994,871,099,550.24
  5. Step 5: Solve for x
    x = 994,871,099,550.24/1,415,276.88
  6. Step 6: Final answer
    x = 702,951.57

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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.