Home / 581,122.12-802,013.46-351,805.76

Finding the Fourth Proportional to 581,122.12, 802,013.46 and 351,805.76

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Solution

The fourth proportional to 581,122.12, 802,013.46 and 351,805.76 is: 485,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,122.12 : 802,013.46 = 351,805.76 : x
  2. Step 2: Convert to fraction form
    581,122.12/802,013.46 = 351,805.76/x
  3. Step 3: Cross multiply
    581,122.12x = 802,013.46 × 351,805.76
  4. Step 4: Simplify right side
    581,122.12x = 282,152,954,825.53
  5. Step 5: Solve for x
    x = 282,152,954,825.53/581,122.12
  6. Step 6: Final answer
    x = 485,531.26

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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.