Home / 740,254.86-1,110,513.48-335,430.72

Finding the Fourth Proportional to 740,254.86, 1,110,513.48 and 335,430.72

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Solution

The fourth proportional to 740,254.86, 1,110,513.48 and 335,430.72 is: 503,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,254.86 : 1,110,513.48 = 335,430.72 : x
  2. Step 2: Convert to fraction form
    740,254.86/1,110,513.48 = 335,430.72/x
  3. Step 3: Cross multiply
    740,254.86x = 1,110,513.48 × 335,430.72
  4. Step 4: Simplify right side
    740,254.86x = 372,500,328,936.39
  5. Step 5: Solve for x
    x = 372,500,328,936.39/740,254.86
  6. Step 6: Final answer
    x = 503,205.52

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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.