Home / 705,270.08-1,058,084.13-326,463.86

Finding the Fourth Proportional to 705,270.08, 1,058,084.13 and 326,463.86

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Solution

The fourth proportional to 705,270.08, 1,058,084.13 and 326,463.86 is: 489,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,270.08 : 1,058,084.13 = 326,463.86 : x
  2. Step 2: Convert to fraction form
    705,270.08/1,058,084.13 = 326,463.86/x
  3. Step 3: Cross multiply
    705,270.08x = 1,058,084.13 × 326,463.86
  4. Step 4: Simplify right side
    705,270.08x = 345,426,229,284.54
  5. Step 5: Solve for x
    x = 345,426,229,284.54/705,270.08
  6. Step 6: Final answer
    x = 489,778.65

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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.