Home / 588,640.30-882,960.45-289,312.90

Finding the Fourth Proportional to 588,640.30, 882,960.45 and 289,312.90

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Solution

The fourth proportional to 588,640.30, 882,960.45 and 289,312.90 is: 433,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,640.30 : 882,960.45 = 289,312.90 : x
  2. Step 2: Convert to fraction form
    588,640.30/882,960.45 = 289,312.90/x
  3. Step 3: Cross multiply
    588,640.30x = 882,960.45 × 289,312.90
  4. Step 4: Simplify right side
    588,640.30x = 255,451,848,374.81
  5. Step 5: Solve for x
    x = 255,451,848,374.81/588,640.30
  6. Step 6: Final answer
    x = 433,969.35

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Similar ratio
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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.