Home / 1,434,505.76-2,152,081.20-437,334.56

Finding the Fourth Proportional to 1,434,505.76, 2,152,081.20 and 437,334.56

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Solution

The fourth proportional to 1,434,505.76, 2,152,081.20 and 437,334.56 is: 656,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,505.76 : 2,152,081.20 = 437,334.56 : x
  2. Step 2: Convert to fraction form
    1,434,505.76/2,152,081.20 = 437,334.56/x
  3. Step 3: Cross multiply
    1,434,505.76x = 2,152,081.20 × 437,334.56
  4. Step 4: Simplify right side
    1,434,505.76x = 941,179,484,686.27
  5. Step 5: Solve for x
    x = 941,179,484,686.27/1,434,505.76
  6. Step 6: Final answer
    x = 656,100.18

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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.