Home / 482,890.18-666,357.06-268,030.30

Finding the Fourth Proportional to 482,890.18, 666,357.06 and 268,030.30

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Solution

The fourth proportional to 482,890.18, 666,357.06 and 268,030.30 is: 369,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,890.18 : 666,357.06 = 268,030.30 : x
  2. Step 2: Convert to fraction form
    482,890.18/666,357.06 = 268,030.30/x
  3. Step 3: Cross multiply
    482,890.18x = 666,357.06 × 268,030.30
  4. Step 4: Simplify right side
    482,890.18x = 178,603,882,698.92
  5. Step 5: Solve for x
    x = 178,603,882,698.92/482,890.18
  6. Step 6: Final answer
    x = 369,864.39

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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.