Home / 1,113,905.68-1,668,611.28-514,033.52

Finding the Fourth Proportional to 1,113,905.68, 1,668,611.28 and 514,033.52

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Solution

The fourth proportional to 1,113,905.68, 1,668,611.28 and 514,033.52 is: 770,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,905.68 : 1,668,611.28 = 514,033.52 : x
  2. Step 2: Convert to fraction form
    1,113,905.68/1,668,611.28 = 514,033.52/x
  3. Step 3: Cross multiply
    1,113,905.68x = 1,668,611.28 × 514,033.52
  4. Step 4: Simplify right side
    1,113,905.68x = 857,722,129,770.11
  5. Step 5: Solve for x
    x = 857,722,129,770.11/1,113,905.68
  6. Step 6: Final answer
    x = 770,013.25

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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.