Home / 1,064,696.25-1,596,257.05-643,878.57

Finding the Fourth Proportional to 1,064,696.25, 1,596,257.05 and 643,878.57

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Solution

The fourth proportional to 1,064,696.25, 1,596,257.05 and 643,878.57 is: 965,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,696.25 : 1,596,257.05 = 643,878.57 : x
  2. Step 2: Convert to fraction form
    1,064,696.25/1,596,257.05 = 643,878.57/x
  3. Step 3: Cross multiply
    1,064,696.25x = 1,596,257.05 × 643,878.57
  4. Step 4: Simplify right side
    1,064,696.25x = 1,027,795,706,706.42
  5. Step 5: Solve for x
    x = 1,027,795,706,706.42/1,064,696.25
  6. Step 6: Final answer
    x = 965,341.72

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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.