Home / 777,874.50-1,166,811.84-186,898.50

Finding the Fourth Proportional to 777,874.50, 1,166,811.84 and 186,898.50

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Solution

The fourth proportional to 777,874.50, 1,166,811.84 and 186,898.50 is: 280,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,874.50 : 1,166,811.84 = 186,898.50 : x
  2. Step 2: Convert to fraction form
    777,874.50/1,166,811.84 = 186,898.50/x
  3. Step 3: Cross multiply
    777,874.50x = 1,166,811.84 × 186,898.50
  4. Step 4: Simplify right side
    777,874.50x = 218,075,382,678.24
  5. Step 5: Solve for x
    x = 218,075,382,678.24/777,874.50
  6. Step 6: Final answer
    x = 280,347.77

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1.5x scale

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.