Home / 708,571.36-977,799.04-386,274.40

Finding the Fourth Proportional to 708,571.36, 977,799.04 and 386,274.40

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Solution

The fourth proportional to 708,571.36, 977,799.04 and 386,274.40 is: 533,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,571.36 : 977,799.04 = 386,274.40 : x
  2. Step 2: Convert to fraction form
    708,571.36/977,799.04 = 386,274.40/x
  3. Step 3: Cross multiply
    708,571.36x = 977,799.04 × 386,274.40
  4. Step 4: Simplify right side
    708,571.36x = 377,698,737,496.58
  5. Step 5: Solve for x
    x = 377,698,737,496.58/708,571.36
  6. Step 6: Final answer
    x = 533,042.62

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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.