Home / 1,286,048.90-1,774,584.36-705,119.15

Finding the Fourth Proportional to 1,286,048.90, 1,774,584.36 and 705,119.15

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Solution

The fourth proportional to 1,286,048.90, 1,774,584.36 and 705,119.15 is: 972,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,048.90 : 1,774,584.36 = 705,119.15 : x
  2. Step 2: Convert to fraction form
    1,286,048.90/1,774,584.36 = 705,119.15/x
  3. Step 3: Cross multiply
    1,286,048.90x = 1,774,584.36 × 705,119.15
  4. Step 4: Simplify right side
    1,286,048.90x = 1,251,293,419,962.95
  5. Step 5: Solve for x
    x = 1,251,293,419,962.95/1,286,048.90
  6. Step 6: Final answer
    x = 972,974.99

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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.