Home / 1,210,986.60-1,816,521.43-641,597.50

Finding the Fourth Proportional to 1,210,986.60, 1,816,521.43 and 641,597.50

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Solution

The fourth proportional to 1,210,986.60, 1,816,521.43 and 641,597.50 is: 962,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,986.60 : 1,816,521.43 = 641,597.50 : x
  2. Step 2: Convert to fraction form
    1,210,986.60/1,816,521.43 = 641,597.50/x
  3. Step 3: Cross multiply
    1,210,986.60x = 1,816,521.43 × 641,597.50
  4. Step 4: Simplify right side
    1,210,986.60x = 1,165,475,608,184.43
  5. Step 5: Solve for x
    x = 1,165,475,608,184.43/1,210,986.60
  6. Step 6: Final answer
    x = 962,418.26

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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.