Home / 1,712,325.60-2,568,513.36-813,858.96

Finding the Fourth Proportional to 1,712,325.60, 2,568,513.36 and 813,858.96

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Solution

The fourth proportional to 1,712,325.60, 2,568,513.36 and 813,858.96 is: 1,220,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,325.60 : 2,568,513.36 = 813,858.96 : x
  2. Step 2: Convert to fraction form
    1,712,325.60/2,568,513.36 = 813,858.96/x
  3. Step 3: Cross multiply
    1,712,325.60x = 2,568,513.36 × 813,858.96
  4. Step 4: Simplify right side
    1,712,325.60x = 2,090,407,611,915.71
  5. Step 5: Solve for x
    x = 2,090,407,611,915.71/1,712,325.60
  6. Step 6: Final answer
    x = 1,220,800.30

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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.