Home / 1,114,149.12-1,673,487.36-983,978.88

Finding the Fourth Proportional to 1,114,149.12, 1,673,487.36 and 983,978.88

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Solution

The fourth proportional to 1,114,149.12, 1,673,487.36 and 983,978.88 is: 1,477,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,149.12 : 1,673,487.36 = 983,978.88 : x
  2. Step 2: Convert to fraction form
    1,114,149.12/1,673,487.36 = 983,978.88/x
  3. Step 3: Cross multiply
    1,114,149.12x = 1,673,487.36 × 983,978.88
  4. Step 4: Simplify right side
    1,114,149.12x = 1,646,676,218,186.96
  5. Step 5: Solve for x
    x = 1,646,676,218,186.96/1,114,149.12
  6. Step 6: Final answer
    x = 1,477,967.53

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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.