Home / 1,213,272.60-1,823,408.10-1,059,307.80

Finding the Fourth Proportional to 1,213,272.60, 1,823,408.10 and 1,059,307.80

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Solution

The fourth proportional to 1,213,272.60, 1,823,408.10 and 1,059,307.80 is: 1,592,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,272.60 : 1,823,408.10 = 1,059,307.80 : x
  2. Step 2: Convert to fraction form
    1,213,272.60/1,823,408.10 = 1,059,307.80/x
  3. Step 3: Cross multiply
    1,213,272.60x = 1,823,408.10 × 1,059,307.80
  4. Step 4: Simplify right side
    1,213,272.60x = 1,931,550,422,913.18
  5. Step 5: Solve for x
    x = 1,931,550,422,913.18/1,213,272.60
  6. Step 6: Final answer
    x = 1,592,016.85

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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.