Home / 340,561.19-469,974.57-197,404.28

Finding the Fourth Proportional to 340,561.19, 469,974.57 and 197,404.28

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Solution

The fourth proportional to 340,561.19, 469,974.57 and 197,404.28 is: 272,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,561.19 : 469,974.57 = 197,404.28 : x
  2. Step 2: Convert to fraction form
    340,561.19/469,974.57 = 197,404.28/x
  3. Step 3: Cross multiply
    340,561.19x = 469,974.57 × 197,404.28
  4. Step 4: Simplify right side
    340,561.19x = 92,774,990,281.43
  5. Step 5: Solve for x
    x = 92,774,990,281.43/340,561.19
  6. Step 6: Final answer
    x = 272,417.97

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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.