Home / 470,821.80-704,619.90-283,967.40

Finding the Fourth Proportional to 470,821.80, 704,619.90 and 283,967.40

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Solution

The fourth proportional to 470,821.80, 704,619.90 and 283,967.40 is: 424,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,821.80 : 704,619.90 = 283,967.40 : x
  2. Step 2: Convert to fraction form
    470,821.80/704,619.90 = 283,967.40/x
  3. Step 3: Cross multiply
    470,821.80x = 704,619.90 × 283,967.40
  4. Step 4: Simplify right side
    470,821.80x = 200,089,080,991.26
  5. Step 5: Solve for x
    x = 200,089,080,991.26/470,821.80
  6. Step 6: Final answer
    x = 424,978.37

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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.