Home / 572,208.84-858,431.55-187,986.78

Finding the Fourth Proportional to 572,208.84, 858,431.55 and 187,986.78

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Solution

The fourth proportional to 572,208.84, 858,431.55 and 187,986.78 is: 282,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,208.84 : 858,431.55 = 187,986.78 : x
  2. Step 2: Convert to fraction form
    572,208.84/858,431.55 = 187,986.78/x
  3. Step 3: Cross multiply
    572,208.84x = 858,431.55 × 187,986.78
  4. Step 4: Simplify right side
    572,208.84x = 161,373,782,934.91
  5. Step 5: Solve for x
    x = 161,373,782,934.91/572,208.84
  6. Step 6: Final answer
    x = 282,019.03

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1.5x scale

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.