Home / 572,747.34-790,344.95-331,045.50

Finding the Fourth Proportional to 572,747.34, 790,344.95 and 331,045.50

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Solution

The fourth proportional to 572,747.34, 790,344.95 and 331,045.50 is: 456,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,747.34 : 790,344.95 = 331,045.50 : x
  2. Step 2: Convert to fraction form
    572,747.34/790,344.95 = 331,045.50/x
  3. Step 3: Cross multiply
    572,747.34x = 790,344.95 × 331,045.50
  4. Step 4: Simplify right side
    572,747.34x = 261,640,136,021.11
  5. Step 5: Solve for x
    x = 261,640,136,021.11/572,747.34
  6. Step 6: Final answer
    x = 456,815.98

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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.