Home / 1,186,814.88-1,780,197.21-288,260.82

Finding the Fourth Proportional to 1,186,814.88, 1,780,197.21 and 288,260.82

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Solution

The fourth proportional to 1,186,814.88, 1,780,197.21 and 288,260.82 is: 432,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,814.88 : 1,780,197.21 = 288,260.82 : x
  2. Step 2: Convert to fraction form
    1,186,814.88/1,780,197.21 = 288,260.82/x
  3. Step 3: Cross multiply
    1,186,814.88x = 1,780,197.21 × 288,260.82
  4. Step 4: Simplify right side
    1,186,814.88x = 513,161,107,516.31
  5. Step 5: Solve for x
    x = 513,161,107,516.31/1,186,814.88
  6. Step 6: Final answer
    x = 432,385.13

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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.