Home / 830,174.40-1,244,451.60-425,366.64

Finding the Fourth Proportional to 830,174.40, 1,244,451.60 and 425,366.64

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Solution

The fourth proportional to 830,174.40, 1,244,451.60 and 425,366.64 is: 637,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,174.40 : 1,244,451.60 = 425,366.64 : x
  2. Step 2: Convert to fraction form
    830,174.40/1,244,451.60 = 425,366.64/x
  3. Step 3: Cross multiply
    830,174.40x = 1,244,451.60 × 425,366.64
  4. Step 4: Simplify right side
    830,174.40x = 529,348,195,734.62
  5. Step 5: Solve for x
    x = 529,348,195,734.62/830,174.40
  6. Step 6: Final answer
    x = 637,634.93

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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.