Home / 1,156,911.20-1,734,200.40-526,277.60

Finding the Fourth Proportional to 1,156,911.20, 1,734,200.40 and 526,277.60

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Solution

The fourth proportional to 1,156,911.20, 1,734,200.40 and 526,277.60 is: 788,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,911.20 : 1,734,200.40 = 526,277.60 : x
  2. Step 2: Convert to fraction form
    1,156,911.20/1,734,200.40 = 526,277.60/x
  3. Step 3: Cross multiply
    1,156,911.20x = 1,734,200.40 × 526,277.60
  4. Step 4: Simplify right side
    1,156,911.20x = 912,670,824,431.04
  5. Step 5: Solve for x
    x = 912,670,824,431.04/1,156,911.20
  6. Step 6: Final answer
    x = 788,885.81

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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.