Home / 1,457,888.76-2,186,685.48-393,038.46

Finding the Fourth Proportional to 1,457,888.76, 2,186,685.48 and 393,038.46

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Solution

The fourth proportional to 1,457,888.76, 2,186,685.48 and 393,038.46 is: 589,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,888.76 : 2,186,685.48 = 393,038.46 : x
  2. Step 2: Convert to fraction form
    1,457,888.76/2,186,685.48 = 393,038.46/x
  3. Step 3: Cross multiply
    1,457,888.76x = 2,186,685.48 × 393,038.46
  4. Step 4: Simplify right side
    1,457,888.76x = 859,451,493,563.56
  5. Step 5: Solve for x
    x = 859,451,493,563.56/1,457,888.76
  6. Step 6: Final answer
    x = 589,517.88

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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.