Home / 379,913.84-524,309.58-216,574.24

Finding the Fourth Proportional to 379,913.84, 524,309.58 and 216,574.24

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Solution

The fourth proportional to 379,913.84, 524,309.58 and 216,574.24 is: 298,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,913.84 : 524,309.58 = 216,574.24 : x
  2. Step 2: Convert to fraction form
    379,913.84/524,309.58 = 216,574.24/x
  3. Step 3: Cross multiply
    379,913.84x = 524,309.58 × 216,574.24
  4. Step 4: Simplify right side
    379,913.84x = 113,551,948,813.22
  5. Step 5: Solve for x
    x = 113,551,948,813.22/379,913.84
  6. Step 6: Final answer
    x = 298,888.69

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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.