Home / 1,211,011.00-1,815,885.75-571,142.92

Finding the Fourth Proportional to 1,211,011.00, 1,815,885.75 and 571,142.92

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Solution

The fourth proportional to 1,211,011.00, 1,815,885.75 and 571,142.92 is: 856,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,011.00 : 1,815,885.75 = 571,142.92 : x
  2. Step 2: Convert to fraction form
    1,211,011.00/1,815,885.75 = 571,142.92/x
  3. Step 3: Cross multiply
    1,211,011.00x = 1,815,885.75 × 571,142.92
  4. Step 4: Simplify right side
    1,211,011.00x = 1,037,130,285,101.68
  5. Step 5: Solve for x
    x = 1,037,130,285,101.68/1,211,011.00
  6. Step 6: Final answer
    x = 856,416.90

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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.