Home / 662,561.84-914,541.72-376,272.56

Finding the Fourth Proportional to 662,561.84, 914,541.72 and 376,272.56

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Solution

The fourth proportional to 662,561.84, 914,541.72 and 376,272.56 is: 519,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,561.84 : 914,541.72 = 376,272.56 : x
  2. Step 2: Convert to fraction form
    662,561.84/914,541.72 = 376,272.56/x
  3. Step 3: Cross multiply
    662,561.84x = 914,541.72 × 376,272.56
  4. Step 4: Simplify right side
    662,561.84x = 344,116,954,211.20
  5. Step 5: Solve for x
    x = 344,116,954,211.20/662,561.84
  6. Step 6: Final answer
    x = 519,373.34

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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.