Home / 858,653.03-1,286,463.97-521,008.01

Finding the Fourth Proportional to 858,653.03, 1,286,463.97 and 521,008.01

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Solution

The fourth proportional to 858,653.03, 1,286,463.97 and 521,008.01 is: 780,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,653.03 : 1,286,463.97 = 521,008.01 : x
  2. Step 2: Convert to fraction form
    858,653.03/1,286,463.97 = 521,008.01/x
  3. Step 3: Cross multiply
    858,653.03x = 1,286,463.97 × 521,008.01
  4. Step 4: Simplify right side
    858,653.03x = 670,258,030,341.36
  5. Step 5: Solve for x
    x = 670,258,030,341.36/858,653.03
  6. Step 6: Final answer
    x = 780,592.41

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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.