Home / 792,320.13-1,093,825.42-619,871.54

Finding the Fourth Proportional to 792,320.13, 1,093,825.42 and 619,871.54

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Solution

The fourth proportional to 792,320.13, 1,093,825.42 and 619,871.54 is: 855,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,320.13 : 1,093,825.42 = 619,871.54 : x
  2. Step 2: Convert to fraction form
    792,320.13/1,093,825.42 = 619,871.54/x
  3. Step 3: Cross multiply
    792,320.13x = 1,093,825.42 × 619,871.54
  4. Step 4: Simplify right side
    792,320.13x = 678,031,240,567.74
  5. Step 5: Solve for x
    x = 678,031,240,567.74/792,320.13
  6. Step 6: Final answer
    x = 855,754.15

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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.