Home / 459,735.39-689,603.07-127,311.39

Finding the Fourth Proportional to 459,735.39, 689,603.07 and 127,311.39

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Solution

The fourth proportional to 459,735.39, 689,603.07 and 127,311.39 is: 190,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,735.39 : 689,603.07 = 127,311.39 : x
  2. Step 2: Convert to fraction form
    459,735.39/689,603.07 = 127,311.39/x
  3. Step 3: Cross multiply
    459,735.39x = 689,603.07 × 127,311.39
  4. Step 4: Simplify right side
    459,735.39x = 87,794,325,389.97
  5. Step 5: Solve for x
    x = 87,794,325,389.97/459,735.39
  6. Step 6: Final answer
    x = 190,967.08

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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.