Home / 829,310.84-1,144,162.56-502,728.56

Finding the Fourth Proportional to 829,310.84, 1,144,162.56 and 502,728.56

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Solution

The fourth proportional to 829,310.84, 1,144,162.56 and 502,728.56 is: 693,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,310.84 : 1,144,162.56 = 502,728.56 : x
  2. Step 2: Convert to fraction form
    829,310.84/1,144,162.56 = 502,728.56/x
  3. Step 3: Cross multiply
    829,310.84x = 1,144,162.56 × 502,728.56
  4. Step 4: Simplify right side
    829,310.84x = 575,203,196,194.71
  5. Step 5: Solve for x
    x = 575,203,196,194.71/829,310.84
  6. Step 6: Final answer
    x = 693,591.80

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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.