Home / 313,400.06-470,045.40-113,617.60

Finding the Fourth Proportional to 313,400.06, 470,045.40 and 113,617.60

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Solution

The fourth proportional to 313,400.06, 470,045.40 and 113,617.60 is: 170,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,400.06 : 470,045.40 = 113,617.60 : x
  2. Step 2: Convert to fraction form
    313,400.06/470,045.40 = 113,617.60/x
  3. Step 3: Cross multiply
    313,400.06x = 470,045.40 × 113,617.60
  4. Step 4: Simplify right side
    313,400.06x = 53,405,430,239.04
  5. Step 5: Solve for x
    x = 53,405,430,239.04/313,400.06
  6. Step 6: Final answer
    x = 170,406.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.