Home / 1,001,343.98-1,501,999.56-243,191.68

Finding the Fourth Proportional to 1,001,343.98, 1,501,999.56 and 243,191.68

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Solution

The fourth proportional to 1,001,343.98, 1,501,999.56 and 243,191.68 is: 364,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,343.98 : 1,501,999.56 = 243,191.68 : x
  2. Step 2: Convert to fraction form
    1,001,343.98/1,501,999.56 = 243,191.68/x
  3. Step 3: Cross multiply
    1,001,343.98x = 1,501,999.56 × 243,191.68
  4. Step 4: Simplify right side
    1,001,343.98x = 365,273,796,355.66
  5. Step 5: Solve for x
    x = 365,273,796,355.66/1,001,343.98
  6. Step 6: Final answer
    x = 364,783.53

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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.