Home / 1,416,188.21-2,124,280.38-657,614.87

Finding the Fourth Proportional to 1,416,188.21, 2,124,280.38 and 657,614.87

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Solution

The fourth proportional to 1,416,188.21, 2,124,280.38 and 657,614.87 is: 986,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,188.21 : 2,124,280.38 = 657,614.87 : x
  2. Step 2: Convert to fraction form
    1,416,188.21/2,124,280.38 = 657,614.87/x
  3. Step 3: Cross multiply
    1,416,188.21x = 2,124,280.38 × 657,614.87
  4. Step 4: Simplify right side
    1,416,188.21x = 1,396,958,360,199.33
  5. Step 5: Solve for x
    x = 1,396,958,360,199.33/1,416,188.21
  6. Step 6: Final answer
    x = 986,421.41

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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.