Home / 1,106,679.07-1,527,220.31-641,623.34

Finding the Fourth Proportional to 1,106,679.07, 1,527,220.31 and 641,623.34

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Solution

The fourth proportional to 1,106,679.07, 1,527,220.31 and 641,623.34 is: 885,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,679.07 : 1,527,220.31 = 641,623.34 : x
  2. Step 2: Convert to fraction form
    1,106,679.07/1,527,220.31 = 641,623.34/x
  3. Step 3: Cross multiply
    1,106,679.07x = 1,527,220.31 × 641,623.34
  4. Step 4: Simplify right side
    1,106,679.07x = 979,900,196,827.97
  5. Step 5: Solve for x
    x = 979,900,196,827.97/1,106,679.07
  6. Step 6: Final answer
    x = 885,442.06

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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.