Home / 929,492.70-1,392,165.45-763,604.70

Finding the Fourth Proportional to 929,492.70, 1,392,165.45 and 763,604.70

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Solution

The fourth proportional to 929,492.70, 1,392,165.45 and 763,604.70 is: 1,143,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,492.70 : 1,392,165.45 = 763,604.70 : x
  2. Step 2: Convert to fraction form
    929,492.70/1,392,165.45 = 763,604.70/x
  3. Step 3: Cross multiply
    929,492.70x = 1,392,165.45 × 763,604.70
  4. Step 4: Simplify right side
    929,492.70x = 1,063,064,080,797.61
  5. Step 5: Solve for x
    x = 1,063,064,080,797.61/929,492.70
  6. Step 6: Final answer
    x = 1,143,703.53

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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.