Home / 705,921.12-1,058,014.17-326,328.39

Finding the Fourth Proportional to 705,921.12, 1,058,014.17 and 326,328.39

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Solution

The fourth proportional to 705,921.12, 1,058,014.17 and 326,328.39 is: 489,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,921.12 : 1,058,014.17 = 326,328.39 : x
  2. Step 2: Convert to fraction form
    705,921.12/1,058,014.17 = 326,328.39/x
  3. Step 3: Cross multiply
    705,921.12x = 1,058,014.17 × 326,328.39
  4. Step 4: Simplify right side
    705,921.12x = 345,260,060,693.29
  5. Step 5: Solve for x
    x = 345,260,060,693.29/705,921.12
  6. Step 6: Final answer
    x = 489,091.56

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1.5x scale

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.