Home / 753,645.52-1,040,030.58-414,135.64

Finding the Fourth Proportional to 753,645.52, 1,040,030.58 and 414,135.64

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Solution

The fourth proportional to 753,645.52, 1,040,030.58 and 414,135.64 is: 571,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,645.52 : 1,040,030.58 = 414,135.64 : x
  2. Step 2: Convert to fraction form
    753,645.52/1,040,030.58 = 414,135.64/x
  3. Step 3: Cross multiply
    753,645.52x = 1,040,030.58 × 414,135.64
  4. Step 4: Simplify right side
    753,645.52x = 430,713,729,867.87
  5. Step 5: Solve for x
    x = 430,713,729,867.87/753,645.52
  6. Step 6: Final answer
    x = 571,507.05

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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.