Home / 708,336.99-977,476.59-386,040.17

Finding the Fourth Proportional to 708,336.99, 977,476.59 and 386,040.17

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Solution

The fourth proportional to 708,336.99, 977,476.59 and 386,040.17 is: 532,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,336.99 : 977,476.59 = 386,040.17 : x
  2. Step 2: Convert to fraction form
    708,336.99/977,476.59 = 386,040.17/x
  3. Step 3: Cross multiply
    708,336.99x = 977,476.59 × 386,040.17
  4. Step 4: Simplify right side
    708,336.99x = 377,345,231,418.31
  5. Step 5: Solve for x
    x = 377,345,231,418.31/708,336.99
  6. Step 6: Final answer
    x = 532,719.93

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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.