Home / 740,588.26-1,022,009.76-401,056.42

Finding the Fourth Proportional to 740,588.26, 1,022,009.76 and 401,056.42

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Solution

The fourth proportional to 740,588.26, 1,022,009.76 and 401,056.42 is: 553,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,588.26 : 1,022,009.76 = 401,056.42 : x
  2. Step 2: Convert to fraction form
    740,588.26/1,022,009.76 = 401,056.42/x
  3. Step 3: Cross multiply
    740,588.26x = 1,022,009.76 × 401,056.42
  4. Step 4: Simplify right side
    740,588.26x = 409,883,575,550.66
  5. Step 5: Solve for x
    x = 409,883,575,550.66/740,588.26
  6. Step 6: Final answer
    x = 553,456.76

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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.