Home / 990,798.16-1,367,868.24-652,250.56

Finding the Fourth Proportional to 990,798.16, 1,367,868.24 and 652,250.56

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Solution

The fourth proportional to 990,798.16, 1,367,868.24 and 652,250.56 is: 900,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,798.16 : 1,367,868.24 = 652,250.56 : x
  2. Step 2: Convert to fraction form
    990,798.16/1,367,868.24 = 652,250.56/x
  3. Step 3: Cross multiply
    990,798.16x = 1,367,868.24 × 652,250.56
  4. Step 4: Simplify right side
    990,798.16x = 892,192,825,546.22
  5. Step 5: Solve for x
    x = 892,192,825,546.22/990,798.16
  6. Step 6: Final answer
    x = 900,478.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.