Home / 1,299,040.12-1,948,516.44-457,570

Finding the Fourth Proportional to 1,299,040.12, 1,948,516.44 and 457,570

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Solution

The fourth proportional to 1,299,040.12, 1,948,516.44 and 457,570 is: 686,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,040.12 : 1,948,516.44 = 457,570 : x
  2. Step 2: Convert to fraction form
    1,299,040.12/1,948,516.44 = 457,570/x
  3. Step 3: Cross multiply
    1,299,040.12x = 1,948,516.44 × 457,570
  4. Step 4: Simplify right side
    1,299,040.12x = 891,582,667,450.80
  5. Step 5: Solve for x
    x = 891,582,667,450.80/1,299,040.12
  6. Step 6: Final answer
    x = 686,339.59

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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.