Home / 432,023.40-648,035.10-414,527.40

Finding the Fourth Proportional to 432,023.40, 648,035.10 and 414,527.40

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Solution

The fourth proportional to 432,023.40, 648,035.10 and 414,527.40 is: 621,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,023.40 : 648,035.10 = 414,527.40 : x
  2. Step 2: Convert to fraction form
    432,023.40/648,035.10 = 414,527.40/x
  3. Step 3: Cross multiply
    432,023.40x = 648,035.10 × 414,527.40
  4. Step 4: Simplify right side
    432,023.40x = 268,628,305,111.74
  5. Step 5: Solve for x
    x = 268,628,305,111.74/432,023.40
  6. Step 6: Final answer
    x = 621,791.10

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Similar ratio
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1.5x scale

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.