Home / 1,668,056.32-2,501,136.54-656,630.56

Finding the Fourth Proportional to 1,668,056.32, 2,501,136.54 and 656,630.56

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Solution

The fourth proportional to 1,668,056.32, 2,501,136.54 and 656,630.56 is: 984,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,056.32 : 2,501,136.54 = 656,630.56 : x
  2. Step 2: Convert to fraction form
    1,668,056.32/2,501,136.54 = 656,630.56/x
  3. Step 3: Cross multiply
    1,668,056.32x = 2,501,136.54 × 656,630.56
  4. Step 4: Simplify right side
    1,668,056.32x = 1,642,322,686,896.66
  5. Step 5: Solve for x
    x = 1,642,322,686,896.66/1,668,056.32
  6. Step 6: Final answer
    x = 984,572.68

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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.