Home / 708,393.93-977,584.37-386,104.29

Finding the Fourth Proportional to 708,393.93, 977,584.37 and 386,104.29

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Solution

The fourth proportional to 708,393.93, 977,584.37 and 386,104.29 is: 532,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,393.93 : 977,584.37 = 386,104.29 : x
  2. Step 2: Convert to fraction form
    708,393.93/977,584.37 = 386,104.29/x
  3. Step 3: Cross multiply
    708,393.93x = 977,584.37 × 386,104.29
  4. Step 4: Simplify right side
    708,393.93x = 377,449,517,163.43
  5. Step 5: Solve for x
    x = 377,449,517,163.43/708,393.93
  6. Step 6: Final answer
    x = 532,824.32

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Double scale
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1.5x scale

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.