Home / 708,234.42-977,281.11-432,453.54

Finding the Fourth Proportional to 708,234.42, 977,281.11 and 432,453.54

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Solution

The fourth proportional to 708,234.42, 977,281.11 and 432,453.54 is: 596,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,234.42 : 977,281.11 = 432,453.54 : x
  2. Step 2: Convert to fraction form
    708,234.42/977,281.11 = 432,453.54/x
  3. Step 3: Cross multiply
    708,234.42x = 977,281.11 × 432,453.54
  4. Step 4: Simplify right side
    708,234.42x = 422,628,675,594.63
  5. Step 5: Solve for x
    x = 422,628,675,594.63/708,234.42
  6. Step 6: Final answer
    x = 596,735.58

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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.