Home / 825,737.42-1,139,459.12-458,234.30

Finding the Fourth Proportional to 825,737.42, 1,139,459.12 and 458,234.30

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Solution

The fourth proportional to 825,737.42, 1,139,459.12 and 458,234.30 is: 632,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,737.42 : 1,139,459.12 = 458,234.30 : x
  2. Step 2: Convert to fraction form
    825,737.42/1,139,459.12 = 458,234.30/x
  3. Step 3: Cross multiply
    825,737.42x = 1,139,459.12 × 458,234.30
  4. Step 4: Simplify right side
    825,737.42x = 522,139,252,231.82
  5. Step 5: Solve for x
    x = 522,139,252,231.82/825,737.42
  6. Step 6: Final answer
    x = 632,330.86

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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.