Home / 628,704.07-943,056.41-207,979.94

Finding the Fourth Proportional to 628,704.07, 943,056.41 and 207,979.94

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Solution

The fourth proportional to 628,704.07, 943,056.41 and 207,979.94 is: 311,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,704.07 : 943,056.41 = 207,979.94 : x
  2. Step 2: Convert to fraction form
    628,704.07/943,056.41 = 207,979.94/x
  3. Step 3: Cross multiply
    628,704.07x = 943,056.41 × 207,979.94
  4. Step 4: Simplify right side
    628,704.07x = 196,136,816,886.16
  5. Step 5: Solve for x
    x = 196,136,816,886.16/628,704.07
  6. Step 6: Final answer
    x = 311,970.01

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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.