Home / 1,211,332.65-1,816,561.58-612,094.65

Finding the Fourth Proportional to 1,211,332.65, 1,816,561.58 and 612,094.65

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Solution

The fourth proportional to 1,211,332.65, 1,816,561.58 and 612,094.65 is: 917,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,332.65 : 1,816,561.58 = 612,094.65 : x
  2. Step 2: Convert to fraction form
    1,211,332.65/1,816,561.58 = 612,094.65/x
  3. Step 3: Cross multiply
    1,211,332.65x = 1,816,561.58 × 612,094.65
  4. Step 4: Simplify right side
    1,211,332.65x = 1,111,907,621,453.07
  5. Step 5: Solve for x
    x = 1,111,907,621,453.07/1,211,332.65
  6. Step 6: Final answer
    x = 917,920.95

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Double scale
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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.