Home / 694,973.76-958,982.88-389,066.88

Finding the Fourth Proportional to 694,973.76, 958,982.88 and 389,066.88

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Solution

The fourth proportional to 694,973.76, 958,982.88 and 389,066.88 is: 536,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,973.76 : 958,982.88 = 389,066.88 : x
  2. Step 2: Convert to fraction form
    694,973.76/958,982.88 = 389,066.88/x
  3. Step 3: Cross multiply
    694,973.76x = 958,982.88 × 389,066.88
  4. Step 4: Simplify right side
    694,973.76x = 373,108,477,095.01
  5. Step 5: Solve for x
    x = 373,108,477,095.01/694,973.76
  6. Step 6: Final answer
    x = 536,867.00

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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.