Home / 1,211,134.62-1,817,057.20-358,228.76

Finding the Fourth Proportional to 1,211,134.62, 1,817,057.20 and 358,228.76

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Solution

The fourth proportional to 1,211,134.62, 1,817,057.20 and 358,228.76 is: 537,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,134.62 : 1,817,057.20 = 358,228.76 : x
  2. Step 2: Convert to fraction form
    1,211,134.62/1,817,057.20 = 358,228.76/x
  3. Step 3: Cross multiply
    1,211,134.62x = 1,817,057.20 × 358,228.76
  4. Step 4: Simplify right side
    1,211,134.62x = 650,922,147,605.07
  5. Step 5: Solve for x
    x = 650,922,147,605.07/1,211,134.62
  6. Step 6: Final answer
    x = 537,448.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.