Home / 660,664.36-990,996.18-187,353.64

Finding the Fourth Proportional to 660,664.36, 990,996.18 and 187,353.64

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Solution

The fourth proportional to 660,664.36, 990,996.18 and 187,353.64 is: 281,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,664.36 : 990,996.18 = 187,353.64 : x
  2. Step 2: Convert to fraction form
    660,664.36/990,996.18 = 187,353.64/x
  3. Step 3: Cross multiply
    660,664.36x = 990,996.18 × 187,353.64
  4. Step 4: Simplify right side
    660,664.36x = 185,666,741,549.10
  5. Step 5: Solve for x
    x = 185,666,741,549.10/660,664.36
  6. Step 6: Final answer
    x = 281,030.36

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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.