Home / 1,001,343.48-1,501,998.81-243,191.18

Finding the Fourth Proportional to 1,001,343.48, 1,501,998.81 and 243,191.18

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Solution

The fourth proportional to 1,001,343.48, 1,501,998.81 and 243,191.18 is: 364,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,343.48 : 1,501,998.81 = 243,191.18 : x
  2. Step 2: Convert to fraction form
    1,001,343.48/1,501,998.81 = 243,191.18/x
  3. Step 3: Cross multiply
    1,001,343.48x = 1,501,998.81 × 243,191.18
  4. Step 4: Simplify right side
    1,001,343.48x = 365,272,855,452.50
  5. Step 5: Solve for x
    x = 365,272,855,452.50/1,001,343.48
  6. Step 6: Final answer
    x = 364,782.78

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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.