Home / 459,928.50-689,892.75-127,504.50

Finding the Fourth Proportional to 459,928.50, 689,892.75 and 127,504.50

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Solution

The fourth proportional to 459,928.50, 689,892.75 and 127,504.50 is: 191,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,928.50 : 689,892.75 = 127,504.50 : x
  2. Step 2: Convert to fraction form
    459,928.50/689,892.75 = 127,504.50/x
  3. Step 3: Cross multiply
    459,928.50x = 689,892.75 × 127,504.50
  4. Step 4: Simplify right side
    459,928.50x = 87,964,430,142.38
  5. Step 5: Solve for x
    x = 87,964,430,142.38/459,928.50
  6. Step 6: Final answer
    x = 191,256.75

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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.