Home / 1,227,368.84-1,693,721.76-683,527.55

Finding the Fourth Proportional to 1,227,368.84, 1,693,721.76 and 683,527.55

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Solution

The fourth proportional to 1,227,368.84, 1,693,721.76 and 683,527.55 is: 943,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,368.84 : 1,693,721.76 = 683,527.55 : x
  2. Step 2: Convert to fraction form
    1,227,368.84/1,693,721.76 = 683,527.55/x
  3. Step 3: Cross multiply
    1,227,368.84x = 1,693,721.76 × 683,527.55
  4. Step 4: Simplify right side
    1,227,368.84x = 1,157,705,484,994.49
  5. Step 5: Solve for x
    x = 1,157,705,484,994.49/1,227,368.84
  6. Step 6: Final answer
    x = 943,241.71

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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.