Home / 1,149,684.36-1,586,564.90-666,530.76

Finding the Fourth Proportional to 1,149,684.36, 1,586,564.90 and 666,530.76

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Solution

The fourth proportional to 1,149,684.36, 1,586,564.90 and 666,530.76 is: 919,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,684.36 : 1,586,564.90 = 666,530.76 : x
  2. Step 2: Convert to fraction form
    1,149,684.36/1,586,564.90 = 666,530.76/x
  3. Step 3: Cross multiply
    1,149,684.36x = 1,586,564.90 × 666,530.76
  4. Step 4: Simplify right side
    1,149,684.36x = 1,057,494,308,586.32
  5. Step 5: Solve for x
    x = 1,057,494,308,586.32/1,149,684.36
  6. Step 6: Final answer
    x = 919,812.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.