Home / 756,651.65-1,044,172.42-417,119.90

Finding the Fourth Proportional to 756,651.65, 1,044,172.42 and 417,119.90

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Solution

The fourth proportional to 756,651.65, 1,044,172.42 and 417,119.90 is: 575,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,651.65 : 1,044,172.42 = 417,119.90 : x
  2. Step 2: Convert to fraction form
    756,651.65/1,044,172.42 = 417,119.90/x
  3. Step 3: Cross multiply
    756,651.65x = 1,044,172.42 × 417,119.90
  4. Step 4: Simplify right side
    756,651.65x = 435,545,089,149.50
  5. Step 5: Solve for x
    x = 435,545,089,149.50/756,651.65
  6. Step 6: Final answer
    x = 575,621.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.