Home / 501,048.20-751,572.30-127,071.20

Finding the Fourth Proportional to 501,048.20, 751,572.30 and 127,071.20

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Solution

The fourth proportional to 501,048.20, 751,572.30 and 127,071.20 is: 190,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,048.20 : 751,572.30 = 127,071.20 : x
  2. Step 2: Convert to fraction form
    501,048.20/751,572.30 = 127,071.20/x
  3. Step 3: Cross multiply
    501,048.20x = 751,572.30 × 127,071.20
  4. Step 4: Simplify right side
    501,048.20x = 95,503,194,047.76
  5. Step 5: Solve for x
    x = 95,503,194,047.76/501,048.20
  6. Step 6: Final answer
    x = 190,606.80

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Double scale
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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.