Home / 1,253,120.27-1,880,085.21-579,643.35

Finding the Fourth Proportional to 1,253,120.27, 1,880,085.21 and 579,643.35

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Solution

The fourth proportional to 1,253,120.27, 1,880,085.21 and 579,643.35 is: 869,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,120.27 : 1,880,085.21 = 579,643.35 : x
  2. Step 2: Convert to fraction form
    1,253,120.27/1,880,085.21 = 579,643.35/x
  3. Step 3: Cross multiply
    1,253,120.27x = 1,880,085.21 × 579,643.35
  4. Step 4: Simplify right side
    1,253,120.27x = 1,089,778,890,761.35
  5. Step 5: Solve for x
    x = 1,089,778,890,761.35/1,253,120.27
  6. Step 6: Final answer
    x = 869,652.28

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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.