Home / 872,582.65-1,203,759.89-510,021.79

Finding the Fourth Proportional to 872,582.65, 1,203,759.89 and 510,021.79

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Solution

The fourth proportional to 872,582.65, 1,203,759.89 and 510,021.79 is: 703,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,582.65 : 1,203,759.89 = 510,021.79 : x
  2. Step 2: Convert to fraction form
    872,582.65/1,203,759.89 = 510,021.79/x
  3. Step 3: Cross multiply
    872,582.65x = 1,203,759.89 × 510,021.79
  4. Step 4: Simplify right side
    872,582.65x = 613,943,773,828.00
  5. Step 5: Solve for x
    x = 613,943,773,828.00/872,582.65
  6. Step 6: Final answer
    x = 703,593.84

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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.