Home / 1,057,378.56-1,586,233.08-347,244.72

Finding the Fourth Proportional to 1,057,378.56, 1,586,233.08 and 347,244.72

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Solution

The fourth proportional to 1,057,378.56, 1,586,233.08 and 347,244.72 is: 520,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,378.56 : 1,586,233.08 = 347,244.72 : x
  2. Step 2: Convert to fraction form
    1,057,378.56/1,586,233.08 = 347,244.72/x
  3. Step 3: Cross multiply
    1,057,378.56x = 1,586,233.08 × 347,244.72
  4. Step 4: Simplify right side
    1,057,378.56x = 550,811,061,719.34
  5. Step 5: Solve for x
    x = 550,811,061,719.34/1,057,378.56
  6. Step 6: Final answer
    x = 520,921.35

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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.