Home / 1,104,954.62-1,656,765.30-421,886.10

Finding the Fourth Proportional to 1,104,954.62, 1,656,765.30 and 421,886.10

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Solution

The fourth proportional to 1,104,954.62, 1,656,765.30 and 421,886.10 is: 632,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,954.62 : 1,656,765.30 = 421,886.10 : x
  2. Step 2: Convert to fraction form
    1,104,954.62/1,656,765.30 = 421,886.10/x
  3. Step 3: Cross multiply
    1,104,954.62x = 1,656,765.30 × 421,886.10
  4. Step 4: Simplify right side
    1,104,954.62x = 698,966,251,032.33
  5. Step 5: Solve for x
    x = 698,966,251,032.33/1,104,954.62
  6. Step 6: Final answer
    x = 632,574.62

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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.