Home / 913,964.04-1,261,269.36-511,556.04

Finding the Fourth Proportional to 913,964.04, 1,261,269.36 and 511,556.04

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Solution

The fourth proportional to 913,964.04, 1,261,269.36 and 511,556.04 is: 705,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,964.04 : 1,261,269.36 = 511,556.04 : x
  2. Step 2: Convert to fraction form
    913,964.04/1,261,269.36 = 511,556.04/x
  3. Step 3: Cross multiply
    913,964.04x = 1,261,269.36 × 511,556.04
  4. Step 4: Simplify right side
    913,964.04x = 645,209,959,174.94
  5. Step 5: Solve for x
    x = 645,209,959,174.94/913,964.04
  6. Step 6: Final answer
    x = 705,946.77

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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.