Home / 941,133.12-1,298,762.71-511,412.22

Finding the Fourth Proportional to 941,133.12, 1,298,762.71 and 511,412.22

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Solution

The fourth proportional to 941,133.12, 1,298,762.71 and 511,412.22 is: 705,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,133.12 : 1,298,762.71 = 511,412.22 : x
  2. Step 2: Convert to fraction form
    941,133.12/1,298,762.71 = 511,412.22/x
  3. Step 3: Cross multiply
    941,133.12x = 1,298,762.71 × 511,412.22
  4. Step 4: Simplify right side
    941,133.12x = 664,203,111,723.44
  5. Step 5: Solve for x
    x = 664,203,111,723.44/941,133.12
  6. Step 6: Final answer
    x = 705,748.32

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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.