Home / 414,945.80-621,036.30-365,179.40

Finding the Fourth Proportional to 414,945.80, 621,036.30 and 365,179.40

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Solution

The fourth proportional to 414,945.80, 621,036.30 and 365,179.40 is: 546,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,945.80 : 621,036.30 = 365,179.40 : x
  2. Step 2: Convert to fraction form
    414,945.80/621,036.30 = 365,179.40/x
  3. Step 3: Cross multiply
    414,945.80x = 621,036.30 × 365,179.40
  4. Step 4: Simplify right side
    414,945.80x = 226,789,663,412.22
  5. Step 5: Solve for x
    x = 226,789,663,412.22/414,945.80
  6. Step 6: Final answer
    x = 546,552.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.