Home / 425,627.12-587,369.40-234,647.36

Finding the Fourth Proportional to 425,627.12, 587,369.40 and 234,647.36

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Solution

The fourth proportional to 425,627.12, 587,369.40 and 234,647.36 is: 323,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,627.12 : 587,369.40 = 234,647.36 : x
  2. Step 2: Convert to fraction form
    425,627.12/587,369.40 = 234,647.36/x
  3. Step 3: Cross multiply
    425,627.12x = 587,369.40 × 234,647.36
  4. Step 4: Simplify right side
    425,627.12x = 137,824,679,054.78
  5. Step 5: Solve for x
    x = 137,824,679,054.78/425,627.12
  6. Step 6: Final answer
    x = 323,815.55

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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.