Home / 656,157.42-899,591.76-644,200.02

Finding the Fourth Proportional to 656,157.42, 899,591.76 and 644,200.02

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Solution

The fourth proportional to 656,157.42, 899,591.76 and 644,200.02 is: 883,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,157.42 : 899,591.76 = 644,200.02 : x
  2. Step 2: Convert to fraction form
    656,157.42/899,591.76 = 644,200.02/x
  3. Step 3: Cross multiply
    656,157.42x = 899,591.76 × 644,200.02
  4. Step 4: Simplify right side
    656,157.42x = 579,517,029,783.84
  5. Step 5: Solve for x
    x = 579,517,029,783.84/656,157.42
  6. Step 6: Final answer
    x = 883,198.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.