Home / 706,844.45-975,449.58-384,556.87

Finding the Fourth Proportional to 706,844.45, 975,449.58 and 384,556.87

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Solution

The fourth proportional to 706,844.45, 975,449.58 and 384,556.87 is: 530,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,844.45 : 975,449.58 = 384,556.87 : x
  2. Step 2: Convert to fraction form
    706,844.45/975,449.58 = 384,556.87/x
  3. Step 3: Cross multiply
    706,844.45x = 975,449.58 × 384,556.87
  4. Step 4: Simplify right side
    706,844.45x = 375,115,837,327.62
  5. Step 5: Solve for x
    x = 375,115,837,327.62/706,844.45
  6. Step 6: Final answer
    x = 530,690.79

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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.