Home / 1,257,683.60-1,735,601-684,722.41

Finding the Fourth Proportional to 1,257,683.60, 1,735,601 and 684,722.41

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Solution

The fourth proportional to 1,257,683.60, 1,735,601 and 684,722.41 is: 944,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,683.60 : 1,735,601 = 684,722.41 : x
  2. Step 2: Convert to fraction form
    1,257,683.60/1,735,601 = 684,722.41/x
  3. Step 3: Cross multiply
    1,257,683.60x = 1,735,601 × 684,722.41
  4. Step 4: Simplify right side
    1,257,683.60x = 1,188,404,899,518.41
  5. Step 5: Solve for x
    x = 1,188,404,899,518.41/1,257,683.60
  6. Step 6: Final answer
    x = 944,915.64

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1.5x scale

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.