Home / 995,051.40-1,489,401.90-785,099.40

Finding the Fourth Proportional to 995,051.40, 1,489,401.90 and 785,099.40

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Solution

The fourth proportional to 995,051.40, 1,489,401.90 and 785,099.40 is: 1,175,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,051.40 : 1,489,401.90 = 785,099.40 : x
  2. Step 2: Convert to fraction form
    995,051.40/1,489,401.90 = 785,099.40/x
  3. Step 3: Cross multiply
    995,051.40x = 1,489,401.90 × 785,099.40
  4. Step 4: Simplify right side
    995,051.40x = 1,169,328,538,048.86
  5. Step 5: Solve for x
    x = 1,169,328,538,048.86/995,051.40
  6. Step 6: Final answer
    x = 1,175,143.85

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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.