Home / 1,259,503.08-1,738,114.30-686,543.25

Finding the Fourth Proportional to 1,259,503.08, 1,738,114.30 and 686,543.25

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Solution

The fourth proportional to 1,259,503.08, 1,738,114.30 and 686,543.25 is: 947,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,503.08 : 1,738,114.30 = 686,543.25 : x
  2. Step 2: Convert to fraction form
    1,259,503.08/1,738,114.30 = 686,543.25/x
  3. Step 3: Cross multiply
    1,259,503.08x = 1,738,114.30 × 686,543.25
  4. Step 4: Simplify right side
    1,259,503.08x = 1,193,290,640,393.48
  5. Step 5: Solve for x
    x = 1,193,290,640,393.48/1,259,503.08
  6. Step 6: Final answer
    x = 947,429.71

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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.