Home / 1,257,402.26-1,886,104-415,954.02

Finding the Fourth Proportional to 1,257,402.26, 1,886,104 and 415,954.02

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Solution

The fourth proportional to 1,257,402.26, 1,886,104 and 415,954.02 is: 623,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,402.26 : 1,886,104 = 415,954.02 : x
  2. Step 2: Convert to fraction form
    1,257,402.26/1,886,104 = 415,954.02/x
  3. Step 3: Cross multiply
    1,257,402.26x = 1,886,104 × 415,954.02
  4. Step 4: Simplify right side
    1,257,402.26x = 784,532,540,938.08
  5. Step 5: Solve for x
    x = 784,532,540,938.08/1,257,402.26
  6. Step 6: Final answer
    x = 623,931.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.