Home / 396,000.32-546,487.54-214,718.36

Finding the Fourth Proportional to 396,000.32, 546,487.54 and 214,718.36

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Solution

The fourth proportional to 396,000.32, 546,487.54 and 214,718.36 is: 296,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,000.32 : 546,487.54 = 214,718.36 : x
  2. Step 2: Convert to fraction form
    396,000.32/546,487.54 = 214,718.36/x
  3. Step 3: Cross multiply
    396,000.32x = 546,487.54 × 214,718.36
  4. Step 4: Simplify right side
    396,000.32x = 117,340,908,349.23
  5. Step 5: Solve for x
    x = 117,340,908,349.23/396,000.32
  6. Step 6: Final answer
    x = 296,315.19

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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.