Home / 1,257,403.51-1,886,105.88-415,955.26

Finding the Fourth Proportional to 1,257,403.51, 1,886,105.88 and 415,955.26

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Solution

The fourth proportional to 1,257,403.51, 1,886,105.88 and 415,955.26 is: 623,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,403.51 : 1,886,105.88 = 415,955.26 : x
  2. Step 2: Convert to fraction form
    1,257,403.51/1,886,105.88 = 415,955.26/x
  3. Step 3: Cross multiply
    1,257,403.51x = 1,886,105.88 × 415,955.26
  4. Step 4: Simplify right side
    1,257,403.51x = 784,535,661,702.93
  5. Step 5: Solve for x
    x = 784,535,661,702.93/1,257,403.51
  6. Step 6: Final answer
    x = 623,933.09

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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.