Home / 999,412.45-1,379,189.14-540,527.04

Finding the Fourth Proportional to 999,412.45, 1,379,189.14 and 540,527.04

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Solution

The fourth proportional to 999,412.45, 1,379,189.14 and 540,527.04 is: 745,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,412.45 : 1,379,189.14 = 540,527.04 : x
  2. Step 2: Convert to fraction form
    999,412.45/1,379,189.14 = 540,527.04/x
  3. Step 3: Cross multiply
    999,412.45x = 1,379,189.14 × 540,527.04
  4. Step 4: Simplify right side
    999,412.45x = 745,489,022,093.03
  5. Step 5: Solve for x
    x = 745,489,022,093.03/999,412.45
  6. Step 6: Final answer
    x = 745,927.29

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1.5x scale

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.