Home / 852,453.96-1,176,380.67-470,480.74

Finding the Fourth Proportional to 852,453.96, 1,176,380.67 and 470,480.74

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Solution

The fourth proportional to 852,453.96, 1,176,380.67 and 470,480.74 is: 649,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,453.96 : 1,176,380.67 = 470,480.74 : x
  2. Step 2: Convert to fraction form
    852,453.96/1,176,380.67 = 470,480.74/x
  3. Step 3: Cross multiply
    852,453.96x = 1,176,380.67 × 470,480.74
  4. Step 4: Simplify right side
    852,453.96x = 553,464,448,143.30
  5. Step 5: Solve for x
    x = 553,464,448,143.30/852,453.96
  6. Step 6: Final answer
    x = 649,260.22

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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.