Home / 697,713.30-1,048,643.55-606,474.90

Finding the Fourth Proportional to 697,713.30, 1,048,643.55 and 606,474.90

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Solution

The fourth proportional to 697,713.30, 1,048,643.55 and 606,474.90 is: 911,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,713.30 : 1,048,643.55 = 606,474.90 : x
  2. Step 2: Convert to fraction form
    697,713.30/1,048,643.55 = 606,474.90/x
  3. Step 3: Cross multiply
    697,713.30x = 1,048,643.55 × 606,474.90
  4. Step 4: Simplify right side
    697,713.30x = 635,975,992,121.90
  5. Step 5: Solve for x
    x = 635,975,992,121.90/697,713.30
  6. Step 6: Final answer
    x = 911,514.79

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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.