Home / 340,822.05-470,279.12-197,554.11

Finding the Fourth Proportional to 340,822.05, 470,279.12 and 197,554.11

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Solution

The fourth proportional to 340,822.05, 470,279.12 and 197,554.11 is: 272,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,822.05 : 470,279.12 = 197,554.11 : x
  2. Step 2: Convert to fraction form
    340,822.05/470,279.12 = 197,554.11/x
  3. Step 3: Cross multiply
    340,822.05x = 470,279.12 × 197,554.11
  4. Step 4: Simplify right side
    340,822.05x = 92,905,572,015.41
  5. Step 5: Solve for x
    x = 92,905,572,015.41/340,822.05
  6. Step 6: Final answer
    x = 272,592.61

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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.