Home / 572,213.88-789,618.36-357,341.04

Finding the Fourth Proportional to 572,213.88, 789,618.36 and 357,341.04

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Solution

The fourth proportional to 572,213.88, 789,618.36 and 357,341.04 is: 493,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,213.88 : 789,618.36 = 357,341.04 : x
  2. Step 2: Convert to fraction form
    572,213.88/789,618.36 = 357,341.04/x
  3. Step 3: Cross multiply
    572,213.88x = 789,618.36 × 357,341.04
  4. Step 4: Simplify right side
    572,213.88x = 282,163,045,965.49
  5. Step 5: Solve for x
    x = 282,163,045,965.49/572,213.88
  6. Step 6: Final answer
    x = 493,107.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.