Home / 1,452,096.56-2,178,141.87-691,631.55

Finding the Fourth Proportional to 1,452,096.56, 2,178,141.87 and 691,631.55

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Solution

The fourth proportional to 1,452,096.56, 2,178,141.87 and 691,631.55 is: 1,037,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,096.56 : 2,178,141.87 = 691,631.55 : x
  2. Step 2: Convert to fraction form
    1,452,096.56/2,178,141.87 = 691,631.55/x
  3. Step 3: Cross multiply
    1,452,096.56x = 2,178,141.87 × 691,631.55
  4. Step 4: Simplify right side
    1,452,096.56x = 1,506,471,637,668.00
  5. Step 5: Solve for x
    x = 1,506,471,637,668.00/1,452,096.56
  6. Step 6: Final answer
    x = 1,037,445.91

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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.