Home / 1,408,696.80-2,114,211.60-651,703.20

Finding the Fourth Proportional to 1,408,696.80, 2,114,211.60 and 651,703.20

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Solution

The fourth proportional to 1,408,696.80, 2,114,211.60 and 651,703.20 is: 978,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,696.80 : 2,114,211.60 = 651,703.20 : x
  2. Step 2: Convert to fraction form
    1,408,696.80/2,114,211.60 = 651,703.20/x
  3. Step 3: Cross multiply
    1,408,696.80x = 2,114,211.60 × 651,703.20
  4. Step 4: Simplify right side
    1,408,696.80x = 1,377,838,465,197.12
  5. Step 5: Solve for x
    x = 1,377,838,465,197.12/1,408,696.80
  6. Step 6: Final answer
    x = 978,094.41

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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.