Home / 1,211,575.20-1,813,426.20-943,886.40

Finding the Fourth Proportional to 1,211,575.20, 1,813,426.20 and 943,886.40

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Solution

The fourth proportional to 1,211,575.20, 1,813,426.20 and 943,886.40 is: 1,412,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,575.20 : 1,813,426.20 = 943,886.40 : x
  2. Step 2: Convert to fraction form
    1,211,575.20/1,813,426.20 = 943,886.40/x
  3. Step 3: Cross multiply
    1,211,575.20x = 1,813,426.20 × 943,886.40
  4. Step 4: Simplify right side
    1,211,575.20x = 1,711,668,327,583.68
  5. Step 5: Solve for x
    x = 1,711,668,327,583.68/1,211,575.20
  6. Step 6: Final answer
    x = 1,412,762.76

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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.