Home / 1,217,559.19-1,680,907.40-734,246.77

Finding the Fourth Proportional to 1,217,559.19, 1,680,907.40 and 734,246.77

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Solution

The fourth proportional to 1,217,559.19, 1,680,907.40 and 734,246.77 is: 1,013,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,559.19 : 1,680,907.40 = 734,246.77 : x
  2. Step 2: Convert to fraction form
    1,217,559.19/1,680,907.40 = 734,246.77/x
  3. Step 3: Cross multiply
    1,217,559.19x = 1,680,907.40 × 734,246.77
  4. Step 4: Simplify right side
    1,217,559.19x = 1,234,200,829,119.10
  5. Step 5: Solve for x
    x = 1,234,200,829,119.10/1,217,559.19
  6. Step 6: Final answer
    x = 1,013,668.03

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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.