Home / 1,259,519.64-1,738,102.50-686,571

Finding the Fourth Proportional to 1,259,519.64, 1,738,102.50 and 686,571

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Solution

The fourth proportional to 1,259,519.64, 1,738,102.50 and 686,571 is: 947,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,519.64 : 1,738,102.50 = 686,571 : x
  2. Step 2: Convert to fraction form
    1,259,519.64/1,738,102.50 = 686,571/x
  3. Step 3: Cross multiply
    1,259,519.64x = 1,738,102.50 × 686,571
  4. Step 4: Simplify right side
    1,259,519.64x = 1,193,330,771,527.50
  5. Step 5: Solve for x
    x = 1,193,330,771,527.50/1,259,519.64
  6. Step 6: Final answer
    x = 947,449.12

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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.