Home / 705,835.04-1,058,627.76-321,495.84

Finding the Fourth Proportional to 705,835.04, 1,058,627.76 and 321,495.84

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Solution

The fourth proportional to 705,835.04, 1,058,627.76 and 321,495.84 is: 482,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,835.04 : 1,058,627.76 = 321,495.84 : x
  2. Step 2: Convert to fraction form
    705,835.04/1,058,627.76 = 321,495.84/x
  3. Step 3: Cross multiply
    705,835.04x = 1,058,627.76 × 321,495.84
  4. Step 4: Simplify right side
    705,835.04x = 340,344,420,948.52
  5. Step 5: Solve for x
    x = 340,344,420,948.52/705,835.04
  6. Step 6: Final answer
    x = 482,186.92

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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.