Home / 522,381.03-783,921.06-189,957.03

Finding the Fourth Proportional to 522,381.03, 783,921.06 and 189,957.03

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Solution

The fourth proportional to 522,381.03, 783,921.06 and 189,957.03 is: 285,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,381.03 : 783,921.06 = 189,957.03 : x
  2. Step 2: Convert to fraction form
    522,381.03/783,921.06 = 189,957.03/x
  3. Step 3: Cross multiply
    522,381.03x = 783,921.06 × 189,957.03
  4. Step 4: Simplify right side
    522,381.03x = 148,911,316,312.05
  5. Step 5: Solve for x
    x = 148,911,316,312.05/522,381.03
  6. Step 6: Final answer
    x = 285,062.64

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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.