Home / 1,267,218.02-1,900,668.42-414,218.30

Finding the Fourth Proportional to 1,267,218.02, 1,900,668.42 and 414,218.30

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Solution

The fourth proportional to 1,267,218.02, 1,900,668.42 and 414,218.30 is: 621,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,218.02 : 1,900,668.42 = 414,218.30 : x
  2. Step 2: Convert to fraction form
    1,267,218.02/1,900,668.42 = 414,218.30/x
  3. Step 3: Cross multiply
    1,267,218.02x = 1,900,668.42 × 414,218.30
  4. Step 4: Simplify right side
    1,267,218.02x = 787,291,641,796.09
  5. Step 5: Solve for x
    x = 787,291,641,796.09/1,267,218.02
  6. Step 6: Final answer
    x = 621,275.60

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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.