Home / 1,539,144.05-2,123,500.95-995,967.05

Finding the Fourth Proportional to 1,539,144.05, 2,123,500.95 and 995,967.05

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Solution

The fourth proportional to 1,539,144.05, 2,123,500.95 and 995,967.05 is: 1,374,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,144.05 : 2,123,500.95 = 995,967.05 : x
  2. Step 2: Convert to fraction form
    1,539,144.05/2,123,500.95 = 995,967.05/x
  3. Step 3: Cross multiply
    1,539,144.05x = 2,123,500.95 × 995,967.05
  4. Step 4: Simplify right side
    1,539,144.05x = 2,114,936,982,152.45
  5. Step 5: Solve for x
    x = 2,114,936,982,152.45/1,539,144.05
  6. Step 6: Final answer
    x = 1,374,099.45

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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.