Home / 440,628.84-660,941.90-125,085.96

Finding the Fourth Proportional to 440,628.84, 660,941.90 and 125,085.96

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Solution

The fourth proportional to 440,628.84, 660,941.90 and 125,085.96 is: 187,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,628.84 : 660,941.90 = 125,085.96 : x
  2. Step 2: Convert to fraction form
    440,628.84/660,941.90 = 125,085.96/x
  3. Step 3: Cross multiply
    440,628.84x = 660,941.90 × 125,085.96
  4. Step 4: Simplify right side
    440,628.84x = 82,674,552,065.72
  5. Step 5: Solve for x
    x = 82,674,552,065.72/440,628.84
  6. Step 6: Final answer
    x = 187,628.55

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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.