Home / 1,132,301.64-1,698,408.72-422,328.54

Finding the Fourth Proportional to 1,132,301.64, 1,698,408.72 and 422,328.54

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Solution

The fourth proportional to 1,132,301.64, 1,698,408.72 and 422,328.54 is: 633,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,301.64 : 1,698,408.72 = 422,328.54 : x
  2. Step 2: Convert to fraction form
    1,132,301.64/1,698,408.72 = 422,328.54/x
  3. Step 3: Cross multiply
    1,132,301.64x = 1,698,408.72 × 422,328.54
  4. Step 4: Simplify right side
    1,132,301.64x = 717,286,475,040.87
  5. Step 5: Solve for x
    x = 717,286,475,040.87/1,132,301.64
  6. Step 6: Final answer
    x = 633,476.50

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1.5x scale

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.