Home / 852,903.87-1,176,976.46-470,922.45

Finding the Fourth Proportional to 852,903.87, 1,176,976.46 and 470,922.45

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Solution

The fourth proportional to 852,903.87, 1,176,976.46 and 470,922.45 is: 649,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,903.87 : 1,176,976.46 = 470,922.45 : x
  2. Step 2: Convert to fraction form
    852,903.87/1,176,976.46 = 470,922.45/x
  3. Step 3: Cross multiply
    852,903.87x = 1,176,976.46 × 470,922.45
  4. Step 4: Simplify right side
    852,903.87x = 554,264,635,780.92
  5. Step 5: Solve for x
    x = 554,264,635,780.92/852,903.87
  6. Step 6: Final answer
    x = 649,855.93

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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.