Home / 727,116.55-1,090,543.50-253,937.23

Finding the Fourth Proportional to 727,116.55, 1,090,543.50 and 253,937.23

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Solution

The fourth proportional to 727,116.55, 1,090,543.50 and 253,937.23 is: 380,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,116.55 : 1,090,543.50 = 253,937.23 : x
  2. Step 2: Convert to fraction form
    727,116.55/1,090,543.50 = 253,937.23/x
  3. Step 3: Cross multiply
    727,116.55x = 1,090,543.50 × 253,937.23
  4. Step 4: Simplify right side
    727,116.55x = 276,929,592,858.15
  5. Step 5: Solve for x
    x = 276,929,592,858.15/727,116.55
  6. Step 6: Final answer
    x = 380,859.98

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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.