Home / 1,136,665.96-1,568,575.05-620,402.74

Finding the Fourth Proportional to 1,136,665.96, 1,568,575.05 and 620,402.74

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Solution

The fourth proportional to 1,136,665.96, 1,568,575.05 and 620,402.74 is: 856,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,665.96 : 1,568,575.05 = 620,402.74 : x
  2. Step 2: Convert to fraction form
    1,136,665.96/1,568,575.05 = 620,402.74/x
  3. Step 3: Cross multiply
    1,136,665.96x = 1,568,575.05 × 620,402.74
  4. Step 4: Simplify right side
    1,136,665.96x = 973,148,258,915.64
  5. Step 5: Solve for x
    x = 973,148,258,915.64/1,136,665.96
  6. Step 6: Final answer
    x = 856,142.70

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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.