Home / 1,241,108.40-1,863,412.20-768,716.40

Finding the Fourth Proportional to 1,241,108.40, 1,863,412.20 and 768,716.40

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Solution

The fourth proportional to 1,241,108.40, 1,863,412.20 and 768,716.40 is: 1,154,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,108.40 : 1,863,412.20 = 768,716.40 : x
  2. Step 2: Convert to fraction form
    1,241,108.40/1,863,412.20 = 768,716.40/x
  3. Step 3: Cross multiply
    1,241,108.40x = 1,863,412.20 × 768,716.40
  4. Step 4: Simplify right side
    1,241,108.40x = 1,432,435,518,100.08
  5. Step 5: Solve for x
    x = 1,432,435,518,100.08/1,241,108.40
  6. Step 6: Final answer
    x = 1,154,158.27

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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.