Home / 396,444.40-547,093.65-215,156.37

Finding the Fourth Proportional to 396,444.40, 547,093.65 and 215,156.37

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Solution

The fourth proportional to 396,444.40, 547,093.65 and 215,156.37 is: 296,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,444.40 : 547,093.65 = 215,156.37 : x
  2. Step 2: Convert to fraction form
    396,444.40/547,093.65 = 215,156.37/x
  3. Step 3: Cross multiply
    396,444.40x = 547,093.65 × 215,156.37
  4. Step 4: Simplify right side
    396,444.40x = 117,710,683,784.05
  5. Step 5: Solve for x
    x = 117,710,683,784.05/396,444.40
  6. Step 6: Final answer
    x = 296,916.00

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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.