Home / 852,923.90-1,177,012.32-470,942.48

Finding the Fourth Proportional to 852,923.90, 1,177,012.32 and 470,942.48

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Solution

The fourth proportional to 852,923.90, 1,177,012.32 and 470,942.48 is: 649,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,923.90 : 1,177,012.32 = 470,942.48 : x
  2. Step 2: Convert to fraction form
    852,923.90/1,177,012.32 = 470,942.48/x
  3. Step 3: Cross multiply
    852,923.90x = 1,177,012.32 × 470,942.48
  4. Step 4: Simplify right side
    852,923.90x = 554,305,100,971.35
  5. Step 5: Solve for x
    x = 554,305,100,971.35/852,923.90
  6. Step 6: Final answer
    x = 649,888.11

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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.