Home / 1,257,409.26-1,886,114.52-415,961.02

Finding the Fourth Proportional to 1,257,409.26, 1,886,114.52 and 415,961.02

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Solution

The fourth proportional to 1,257,409.26, 1,886,114.52 and 415,961.02 is: 623,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,409.26 : 1,886,114.52 = 415,961.02 : x
  2. Step 2: Convert to fraction form
    1,257,409.26/1,886,114.52 = 415,961.02/x
  3. Step 3: Cross multiply
    1,257,409.26x = 1,886,114.52 × 415,961.02
  4. Step 4: Simplify right side
    1,257,409.26x = 784,550,119,576.01
  5. Step 5: Solve for x
    x = 784,550,119,576.01/1,257,409.26
  6. Step 6: Final answer
    x = 623,941.74

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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.