Home / 1,257,326.35-1,886,270.79-458,607.93

Finding the Fourth Proportional to 1,257,326.35, 1,886,270.79 and 458,607.93

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Solution

The fourth proportional to 1,257,326.35, 1,886,270.79 and 458,607.93 is: 688,014.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,326.35 : 1,886,270.79 = 458,607.93 : x
  2. Step 2: Convert to fraction form
    1,257,326.35/1,886,270.79 = 458,607.93/x
  3. Step 3: Cross multiply
    1,257,326.35x = 1,886,270.79 × 458,607.93
  4. Step 4: Simplify right side
    1,257,326.35x = 865,058,737,067.63
  5. Step 5: Solve for x
    x = 865,058,737,067.63/1,257,326.35
  6. Step 6: Final answer
    x = 688,014.48

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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.