Home / 1,696,469.50-2,341,132.77-971,328.34

Finding the Fourth Proportional to 1,696,469.50, 2,341,132.77 and 971,328.34

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Solution

The fourth proportional to 1,696,469.50, 2,341,132.77 and 971,328.34 is: 1,340,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,469.50 : 2,341,132.77 = 971,328.34 : x
  2. Step 2: Convert to fraction form
    1,696,469.50/2,341,132.77 = 971,328.34/x
  3. Step 3: Cross multiply
    1,696,469.50x = 2,341,132.77 × 971,328.34
  4. Step 4: Simplify right side
    1,696,469.50x = 2,274,008,607,203.70
  5. Step 5: Solve for x
    x = 2,274,008,607,203.70/1,696,469.50
  6. Step 6: Final answer
    x = 1,340,435.89

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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.