Home / 852,872.40-1,176,982.26-470,923.32

Finding the Fourth Proportional to 852,872.40, 1,176,982.26 and 470,923.32

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Solution

The fourth proportional to 852,872.40, 1,176,982.26 and 470,923.32 is: 649,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,872.40 : 1,176,982.26 = 470,923.32 : x
  2. Step 2: Convert to fraction form
    852,872.40/1,176,982.26 = 470,923.32/x
  3. Step 3: Cross multiply
    852,872.40x = 1,176,982.26 × 470,923.32
  4. Step 4: Simplify right side
    852,872.40x = 554,268,393,460.30
  5. Step 5: Solve for x
    x = 554,268,393,460.30/852,872.40
  6. Step 6: Final answer
    x = 649,884.31

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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.