Home / 1,531,836.65-2,113,866.38-877,993.96

Finding the Fourth Proportional to 1,531,836.65, 2,113,866.38 and 877,993.96

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Solution

The fourth proportional to 1,531,836.65, 2,113,866.38 and 877,993.96 is: 1,211,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,836.65 : 2,113,866.38 = 877,993.96 : x
  2. Step 2: Convert to fraction form
    1,531,836.65/2,113,866.38 = 877,993.96/x
  3. Step 3: Cross multiply
    1,531,836.65x = 2,113,866.38 × 877,993.96
  4. Step 4: Simplify right side
    1,531,836.65x = 1,855,961,911,800.06
  5. Step 5: Solve for x
    x = 1,855,961,911,800.06/1,531,836.65
  6. Step 6: Final answer
    x = 1,211,592.57

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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.