Home / 857,370.94-1,183,063.14-470,084.44

Finding the Fourth Proportional to 857,370.94, 1,183,063.14 and 470,084.44

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Solution

The fourth proportional to 857,370.94, 1,183,063.14 and 470,084.44 is: 648,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,370.94 : 1,183,063.14 = 470,084.44 : x
  2. Step 2: Convert to fraction form
    857,370.94/1,183,063.14 = 470,084.44/x
  3. Step 3: Cross multiply
    857,370.94x = 1,183,063.14 × 470,084.44
  4. Step 4: Simplify right side
    857,370.94x = 556,139,573,651.54
  5. Step 5: Solve for x
    x = 556,139,573,651.54/857,370.94
  6. Step 6: Final answer
    x = 648,656.90

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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.