Home / 396,460.95-547,118.15-233,108.23

Finding the Fourth Proportional to 396,460.95, 547,118.15 and 233,108.23

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Solution

The fourth proportional to 396,460.95, 547,118.15 and 233,108.23 is: 321,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,460.95 : 547,118.15 = 233,108.23 : x
  2. Step 2: Convert to fraction form
    396,460.95/547,118.15 = 233,108.23/x
  3. Step 3: Cross multiply
    396,460.95x = 547,118.15 × 233,108.23
  4. Step 4: Simplify right side
    396,460.95x = 127,537,742,039.89
  5. Step 5: Solve for x
    x = 127,537,742,039.89/396,460.95
  6. Step 6: Final answer
    x = 321,690.55

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Double scale
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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.