Home / 1,281,855.60-1,922,783.40-803,558.70

Finding the Fourth Proportional to 1,281,855.60, 1,922,783.40 and 803,558.70

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Solution

The fourth proportional to 1,281,855.60, 1,922,783.40 and 803,558.70 is: 1,205,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,855.60 : 1,922,783.40 = 803,558.70 : x
  2. Step 2: Convert to fraction form
    1,281,855.60/1,922,783.40 = 803,558.70/x
  3. Step 3: Cross multiply
    1,281,855.60x = 1,922,783.40 × 803,558.70
  4. Step 4: Simplify right side
    1,281,855.60x = 1,545,069,329,285.58
  5. Step 5: Solve for x
    x = 1,545,069,329,285.58/1,281,855.60
  6. Step 6: Final answer
    x = 1,205,338.05

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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.