Home / 757,340.56-1,045,129.92-417,808.80

Finding the Fourth Proportional to 757,340.56, 1,045,129.92 and 417,808.80

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Solution

The fourth proportional to 757,340.56, 1,045,129.92 and 417,808.80 is: 576,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,340.56 : 1,045,129.92 = 417,808.80 : x
  2. Step 2: Convert to fraction form
    757,340.56/1,045,129.92 = 417,808.80/x
  3. Step 3: Cross multiply
    757,340.56x = 1,045,129.92 × 417,808.80
  4. Step 4: Simplify right side
    757,340.56x = 436,664,477,719.30
  5. Step 5: Solve for x
    x = 436,664,477,719.30/757,340.56
  6. Step 6: Final answer
    x = 576,576.11

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1.5x scale

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.