Home / 1,706,173.76-2,353,438.40-1,297,379.40

Finding the Fourth Proportional to 1,706,173.76, 2,353,438.40 and 1,297,379.40

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Solution

The fourth proportional to 1,706,173.76, 2,353,438.40 and 1,297,379.40 is: 1,789,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,173.76 : 2,353,438.40 = 1,297,379.40 : x
  2. Step 2: Convert to fraction form
    1,706,173.76/2,353,438.40 = 1,297,379.40/x
  3. Step 3: Cross multiply
    1,706,173.76x = 2,353,438.40 × 1,297,379.40
  4. Step 4: Simplify right side
    1,706,173.76x = 3,053,302,499,328.96
  5. Step 5: Solve for x
    x = 3,053,302,499,328.96/1,706,173.76
  6. Step 6: Final answer
    x = 1,789,561.28

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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.