Home / 936,879.30-1,405,975.06-404,782.20

Finding the Fourth Proportional to 936,879.30, 1,405,975.06 and 404,782.20

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Solution

The fourth proportional to 936,879.30, 1,405,975.06 and 404,782.20 is: 607,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,879.30 : 1,405,975.06 = 404,782.20 : x
  2. Step 2: Convert to fraction form
    936,879.30/1,405,975.06 = 404,782.20/x
  3. Step 3: Cross multiply
    936,879.30x = 1,405,975.06 × 404,782.20
  4. Step 4: Simplify right side
    936,879.30x = 569,113,677,931.93
  5. Step 5: Solve for x
    x = 569,113,677,931.93/936,879.30
  6. Step 6: Final answer
    x = 607,456.77

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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.