Home / 697,065.21-961,181.55-481,831.61

Finding the Fourth Proportional to 697,065.21, 961,181.55 and 481,831.61

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Solution

The fourth proportional to 697,065.21, 961,181.55 and 481,831.61 is: 664,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,065.21 : 961,181.55 = 481,831.61 : x
  2. Step 2: Convert to fraction form
    697,065.21/961,181.55 = 481,831.61/x
  3. Step 3: Cross multiply
    697,065.21x = 961,181.55 × 481,831.61
  4. Step 4: Simplify right side
    697,065.21x = 463,127,648,932.89
  5. Step 5: Solve for x
    x = 463,127,648,932.89/697,065.21
  6. Step 6: Final answer
    x = 664,396.45

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1.5x scale

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.