Home / 1,728,121.40-2,590,953.30-662,751.80

Finding the Fourth Proportional to 1,728,121.40, 2,590,953.30 and 662,751.80

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Solution

The fourth proportional to 1,728,121.40, 2,590,953.30 and 662,751.80 is: 993,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,121.40 : 2,590,953.30 = 662,751.80 : x
  2. Step 2: Convert to fraction form
    1,728,121.40/2,590,953.30 = 662,751.80/x
  3. Step 3: Cross multiply
    1,728,121.40x = 2,590,953.30 × 662,751.80
  4. Step 4: Simplify right side
    1,728,121.40x = 1,717,158,963,290.94
  5. Step 5: Solve for x
    x = 1,717,158,963,290.94/1,728,121.40
  6. Step 6: Final answer
    x = 993,656.44

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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.