Home / 742,606.58-1,024,769.64-403,067.54

Finding the Fourth Proportional to 742,606.58, 1,024,769.64 and 403,067.54

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Solution

The fourth proportional to 742,606.58, 1,024,769.64 and 403,067.54 is: 556,218.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,606.58 : 1,024,769.64 = 403,067.54 : x
  2. Step 2: Convert to fraction form
    742,606.58/1,024,769.64 = 403,067.54/x
  3. Step 3: Cross multiply
    742,606.58x = 1,024,769.64 × 403,067.54
  4. Step 4: Simplify right side
    742,606.58x = 413,051,377,861.49
  5. Step 5: Solve for x
    x = 413,051,377,861.49/742,606.58
  6. Step 6: Final answer
    x = 556,218.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.