Home / 857,806.61-1,183,915.04-475,956.41

Finding the Fourth Proportional to 857,806.61, 1,183,915.04 and 475,956.41

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Solution

The fourth proportional to 857,806.61, 1,183,915.04 and 475,956.41 is: 656,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,806.61 : 1,183,915.04 = 475,956.41 : x
  2. Step 2: Convert to fraction form
    857,806.61/1,183,915.04 = 475,956.41/x
  3. Step 3: Cross multiply
    857,806.61x = 1,183,915.04 × 475,956.41
  4. Step 4: Simplify right side
    857,806.61x = 563,491,943,884.05
  5. Step 5: Solve for x
    x = 563,491,943,884.05/857,806.61
  6. Step 6: Final answer
    x = 656,898.58

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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.