Home / 1,022,695.88-1,534,265.25-391,609.69

Finding the Fourth Proportional to 1,022,695.88, 1,534,265.25 and 391,609.69

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Solution

The fourth proportional to 1,022,695.88, 1,534,265.25 and 391,609.69 is: 587,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,695.88 : 1,534,265.25 = 391,609.69 : x
  2. Step 2: Convert to fraction form
    1,022,695.88/1,534,265.25 = 391,609.69/x
  3. Step 3: Cross multiply
    1,022,695.88x = 1,534,265.25 × 391,609.69
  4. Step 4: Simplify right side
    1,022,695.88x = 600,833,133,626.07
  5. Step 5: Solve for x
    x = 600,833,133,626.07/1,022,695.88
  6. Step 6: Final answer
    x = 587,499.32

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Double scale
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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.