Home / 1,227,441.40-1,693,748.10-683,627.96

Finding the Fourth Proportional to 1,227,441.40, 1,693,748.10 and 683,627.96

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Solution

The fourth proportional to 1,227,441.40, 1,693,748.10 and 683,627.96 is: 943,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,441.40 : 1,693,748.10 = 683,627.96 : x
  2. Step 2: Convert to fraction form
    1,227,441.40/1,693,748.10 = 683,627.96/x
  3. Step 3: Cross multiply
    1,227,441.40x = 1,693,748.10 × 683,627.96
  4. Step 4: Simplify right side
    1,227,441.40x = 1,157,893,558,356.88
  5. Step 5: Solve for x
    x = 1,157,893,558,356.88/1,227,441.40
  6. Step 6: Final answer
    x = 943,339.18

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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.