Home / 1,218,441.42-1,827,869.58-611,519.16

Finding the Fourth Proportional to 1,218,441.42, 1,827,869.58 and 611,519.16

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Solution

The fourth proportional to 1,218,441.42, 1,827,869.58 and 611,519.16 is: 917,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,441.42 : 1,827,869.58 = 611,519.16 : x
  2. Step 2: Convert to fraction form
    1,218,441.42/1,827,869.58 = 611,519.16/x
  3. Step 3: Cross multiply
    1,218,441.42x = 1,827,869.58 × 611,519.16
  4. Step 4: Simplify right side
    1,218,441.42x = 1,117,777,270,151.15
  5. Step 5: Solve for x
    x = 1,117,777,270,151.15/1,218,441.42
  6. Step 6: Final answer
    x = 917,382.86

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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.