Home / 936,966.80-1,405,450.20-404,116.40

Finding the Fourth Proportional to 936,966.80, 1,405,450.20 and 404,116.40

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Solution

The fourth proportional to 936,966.80, 1,405,450.20 and 404,116.40 is: 606,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,966.80 : 1,405,450.20 = 404,116.40 : x
  2. Step 2: Convert to fraction form
    936,966.80/1,405,450.20 = 404,116.40/x
  3. Step 3: Cross multiply
    936,966.80x = 1,405,450.20 × 404,116.40
  4. Step 4: Simplify right side
    936,966.80x = 567,965,475,203.28
  5. Step 5: Solve for x
    x = 567,965,475,203.28/936,966.80
  6. Step 6: Final answer
    x = 606,174.60

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Similar ratio
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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.