Home / 753,651.46-1,040,038.78-414,141.58

Finding the Fourth Proportional to 753,651.46, 1,040,038.78 and 414,141.58

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Solution

The fourth proportional to 753,651.46, 1,040,038.78 and 414,141.58 is: 571,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,651.46 : 1,040,038.78 = 414,141.58 : x
  2. Step 2: Convert to fraction form
    753,651.46/1,040,038.78 = 414,141.58/x
  3. Step 3: Cross multiply
    753,651.46x = 1,040,038.78 × 414,141.58
  4. Step 4: Simplify right side
    753,651.46x = 430,723,303,610.47
  5. Step 5: Solve for x
    x = 430,723,303,610.47/753,651.46
  6. Step 6: Final answer
    x = 571,515.25

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Double scale
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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.