Home / 818,328.83-1,128,122.37-575,857.89

Finding the Fourth Proportional to 818,328.83, 1,128,122.37 and 575,857.89

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Solution

The fourth proportional to 818,328.83, 1,128,122.37 and 575,857.89 is: 793,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,328.83 : 1,128,122.37 = 575,857.89 : x
  2. Step 2: Convert to fraction form
    818,328.83/1,128,122.37 = 575,857.89/x
  3. Step 3: Cross multiply
    818,328.83x = 1,128,122.37 × 575,857.89
  4. Step 4: Simplify right side
    818,328.83x = 649,638,167,650.00
  5. Step 5: Solve for x
    x = 649,638,167,650.00/818,328.83
  6. Step 6: Final answer
    x = 793,859.57

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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.