Home / 1,880,113.60-2,820,656.40-814,909.60

Finding the Fourth Proportional to 1,880,113.60, 2,820,656.40 and 814,909.60

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Solution

The fourth proportional to 1,880,113.60, 2,820,656.40 and 814,909.60 is: 1,222,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,113.60 : 2,820,656.40 = 814,909.60 : x
  2. Step 2: Convert to fraction form
    1,880,113.60/2,820,656.40 = 814,909.60/x
  3. Step 3: Cross multiply
    1,880,113.60x = 2,820,656.40 × 814,909.60
  4. Step 4: Simplify right side
    1,880,113.60x = 2,298,579,978,661.44
  5. Step 5: Solve for x
    x = 2,298,579,978,661.44/1,880,113.60
  6. Step 6: Final answer
    x = 1,222,575.05

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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.