Home / 929,168.80-1,392,811.80-629,679.40

Finding the Fourth Proportional to 929,168.80, 1,392,811.80 and 629,679.40

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Solution

The fourth proportional to 929,168.80, 1,392,811.80 and 629,679.40 is: 943,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,168.80 : 1,392,811.80 = 629,679.40 : x
  2. Step 2: Convert to fraction form
    929,168.80/1,392,811.80 = 629,679.40/x
  3. Step 3: Cross multiply
    929,168.80x = 1,392,811.80 × 629,679.40
  4. Step 4: Simplify right side
    929,168.80x = 877,024,898,536.92
  5. Step 5: Solve for x
    x = 877,024,898,536.92/929,168.80
  6. Step 6: Final answer
    x = 943,881.13

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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.