Home / 589,087.24-813,419.79-480,208.66

Finding the Fourth Proportional to 589,087.24, 813,419.79 and 480,208.66

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Solution

The fourth proportional to 589,087.24, 813,419.79 and 480,208.66 is: 663,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,087.24 : 813,419.79 = 480,208.66 : x
  2. Step 2: Convert to fraction form
    589,087.24/813,419.79 = 480,208.66/x
  3. Step 3: Cross multiply
    589,087.24x = 813,419.79 × 480,208.66
  4. Step 4: Simplify right side
    589,087.24x = 390,611,225,826.79
  5. Step 5: Solve for x
    x = 390,611,225,826.79/589,087.24
  6. Step 6: Final answer
    x = 663,078.74

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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.