Home / 677,838.14-935,385.05-371,907.62

Finding the Fourth Proportional to 677,838.14, 935,385.05 and 371,907.62

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Solution

The fourth proportional to 677,838.14, 935,385.05 and 371,907.62 is: 513,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,838.14 : 935,385.05 = 371,907.62 : x
  2. Step 2: Convert to fraction form
    677,838.14/935,385.05 = 371,907.62/x
  3. Step 3: Cross multiply
    677,838.14x = 935,385.05 × 371,907.62
  4. Step 4: Simplify right side
    677,838.14x = 347,876,821,192.62
  5. Step 5: Solve for x
    x = 347,876,821,192.62/677,838.14
  6. Step 6: Final answer
    x = 513,215.18

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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.