Home / 1,154,226.41-1,731,336.12-811,257.83

Finding the Fourth Proportional to 1,154,226.41, 1,731,336.12 and 811,257.83

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Solution

The fourth proportional to 1,154,226.41, 1,731,336.12 and 811,257.83 is: 1,216,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,226.41 : 1,731,336.12 = 811,257.83 : x
  2. Step 2: Convert to fraction form
    1,154,226.41/1,731,336.12 = 811,257.83/x
  3. Step 3: Cross multiply
    1,154,226.41x = 1,731,336.12 × 811,257.83
  4. Step 4: Simplify right side
    1,154,226.41x = 1,404,559,981,547.65
  5. Step 5: Solve for x
    x = 1,404,559,981,547.65/1,154,226.41
  6. Step 6: Final answer
    x = 1,216,884.29

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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.