Home / 1,227,432.42-1,693,735.65-683,618.94

Finding the Fourth Proportional to 1,227,432.42, 1,693,735.65 and 683,618.94

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Solution

The fourth proportional to 1,227,432.42, 1,693,735.65 and 683,618.94 is: 943,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,432.42 : 1,693,735.65 = 683,618.94 : x
  2. Step 2: Convert to fraction form
    1,227,432.42/1,693,735.65 = 683,618.94/x
  3. Step 3: Cross multiply
    1,227,432.42x = 1,693,735.65 × 683,618.94
  4. Step 4: Simplify right side
    1,227,432.42x = 1,157,869,769,693.21
  5. Step 5: Solve for x
    x = 1,157,869,769,693.21/1,227,432.42
  6. Step 6: Final answer
    x = 943,326.70

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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.