Home / 511,016.63-705,197.25-290,252.34

Finding the Fourth Proportional to 511,016.63, 705,197.25 and 290,252.34

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Solution

The fourth proportional to 511,016.63, 705,197.25 and 290,252.34 is: 400,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,016.63 : 705,197.25 = 290,252.34 : x
  2. Step 2: Convert to fraction form
    511,016.63/705,197.25 = 290,252.34/x
  3. Step 3: Cross multiply
    511,016.63x = 705,197.25 × 290,252.34
  4. Step 4: Simplify right side
    511,016.63x = 204,685,151,974.07
  5. Step 5: Solve for x
    x = 204,685,151,974.07/511,016.63
  6. Step 6: Final answer
    x = 400,545.00

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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.