Home / 1,668,672.90-2,503,665.45-657,622.80

Finding the Fourth Proportional to 1,668,672.90, 2,503,665.45 and 657,622.80

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Solution

The fourth proportional to 1,668,672.90, 2,503,665.45 and 657,622.80 is: 986,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,672.90 : 2,503,665.45 = 657,622.80 : x
  2. Step 2: Convert to fraction form
    1,668,672.90/2,503,665.45 = 657,622.80/x
  3. Step 3: Cross multiply
    1,668,672.90x = 2,503,665.45 × 657,622.80
  4. Step 4: Simplify right side
    1,668,672.90x = 1,646,467,483,492.26
  5. Step 5: Solve for x
    x = 1,646,467,483,492.26/1,668,672.90
  6. Step 6: Final answer
    x = 986,692.77

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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.