Home / 1,666,552.32-2,299,835.05-931,505.56

Finding the Fourth Proportional to 1,666,552.32, 2,299,835.05 and 931,505.56

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Solution

The fourth proportional to 1,666,552.32, 2,299,835.05 and 931,505.56 is: 1,285,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,552.32 : 2,299,835.05 = 931,505.56 : x
  2. Step 2: Convert to fraction form
    1,666,552.32/2,299,835.05 = 931,505.56/x
  3. Step 3: Cross multiply
    1,666,552.32x = 2,299,835.05 × 931,505.56
  4. Step 4: Simplify right side
    1,666,552.32x = 2,142,309,128,079.53
  5. Step 5: Solve for x
    x = 2,142,309,128,079.53/1,666,552.32
  6. Step 6: Final answer
    x = 1,285,473.67

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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.