Home / 340,955.38-470,414.01-197,686.66

Finding the Fourth Proportional to 340,955.38, 470,414.01 and 197,686.66

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Solution

The fourth proportional to 340,955.38, 470,414.01 and 197,686.66 is: 272,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,955.38 : 470,414.01 = 197,686.66 : x
  2. Step 2: Convert to fraction form
    340,955.38/470,414.01 = 197,686.66/x
  3. Step 3: Cross multiply
    340,955.38x = 470,414.01 × 197,686.66
  4. Step 4: Simplify right side
    340,955.38x = 92,994,574,454.11
  5. Step 5: Solve for x
    x = 92,994,574,454.11/340,955.38
  6. Step 6: Final answer
    x = 272,747.05

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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.