Home / 396,895.98-547,695.74-215,607.35

Finding the Fourth Proportional to 396,895.98, 547,695.74 and 215,607.35

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Solution

The fourth proportional to 396,895.98, 547,695.74 and 215,607.35 is: 297,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,895.98 : 547,695.74 = 215,607.35 : x
  2. Step 2: Convert to fraction form
    396,895.98/547,695.74 = 215,607.35/x
  3. Step 3: Cross multiply
    396,895.98x = 547,695.74 × 215,607.35
  4. Step 4: Simplify right side
    396,895.98x = 118,087,227,107.69
  5. Step 5: Solve for x
    x = 118,087,227,107.69/396,895.98
  6. Step 6: Final answer
    x = 297,526.89

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1.5x scale

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.