Home / 1,203,244.34-1,805,268.47-393,665.81

Finding the Fourth Proportional to 1,203,244.34, 1,805,268.47 and 393,665.81

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Solution

The fourth proportional to 1,203,244.34, 1,805,268.47 and 393,665.81 is: 590,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,244.34 : 1,805,268.47 = 393,665.81 : x
  2. Step 2: Convert to fraction form
    1,203,244.34/1,805,268.47 = 393,665.81/x
  3. Step 3: Cross multiply
    1,203,244.34x = 1,805,268.47 × 393,665.81
  4. Step 4: Simplify right side
    1,203,244.34x = 710,672,463,515.34
  5. Step 5: Solve for x
    x = 710,672,463,515.34/1,203,244.34
  6. Step 6: Final answer
    x = 590,630.22

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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.