Home / 1,716,172.71-2,574,175.86-636,895.67

Finding the Fourth Proportional to 1,716,172.71, 2,574,175.86 and 636,895.67

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Solution

The fourth proportional to 1,716,172.71, 2,574,175.86 and 636,895.67 is: 955,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,172.71 : 2,574,175.86 = 636,895.67 : x
  2. Step 2: Convert to fraction form
    1,716,172.71/2,574,175.86 = 636,895.67/x
  3. Step 3: Cross multiply
    1,716,172.71x = 2,574,175.86 × 636,895.67
  4. Step 4: Simplify right side
    1,716,172.71x = 1,639,481,446,181.65
  5. Step 5: Solve for x
    x = 1,639,481,446,181.65/1,716,172.71
  6. Step 6: Final answer
    x = 955,312.62

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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.