Home / 1,257,681.60-1,735,598.24-684,720.41

Finding the Fourth Proportional to 1,257,681.60, 1,735,598.24 and 684,720.41

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Solution

The fourth proportional to 1,257,681.60, 1,735,598.24 and 684,720.41 is: 944,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,681.60 : 1,735,598.24 = 684,720.41 : x
  2. Step 2: Convert to fraction form
    1,257,681.60/1,735,598.24 = 684,720.41/x
  3. Step 3: Cross multiply
    1,257,681.60x = 1,735,598.24 × 684,720.41
  4. Step 4: Simplify right side
    1,257,681.60x = 1,188,399,528,954.19
  5. Step 5: Solve for x
    x = 1,188,399,528,954.19/1,257,681.60
  6. Step 6: Final answer
    x = 944,912.87

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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.