Home / 705,268.08-1,058,081.13-326,461.86

Finding the Fourth Proportional to 705,268.08, 1,058,081.13 and 326,461.86

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Solution

The fourth proportional to 705,268.08, 1,058,081.13 and 326,461.86 is: 489,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,268.08 : 1,058,081.13 = 326,461.86 : x
  2. Step 2: Convert to fraction form
    705,268.08/1,058,081.13 = 326,461.86/x
  3. Step 3: Cross multiply
    705,268.08x = 1,058,081.13 × 326,461.86
  4. Step 4: Simplify right side
    705,268.08x = 345,423,133,730.70
  5. Step 5: Solve for x
    x = 345,423,133,730.70/705,268.08
  6. Step 6: Final answer
    x = 489,775.65

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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.