Home / 761,596.30-1,142,633.20-458,321.37

Finding the Fourth Proportional to 761,596.30, 1,142,633.20 and 458,321.37

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Solution

The fourth proportional to 761,596.30, 1,142,633.20 and 458,321.37 is: 687,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,596.30 : 1,142,633.20 = 458,321.37 : x
  2. Step 2: Convert to fraction form
    761,596.30/1,142,633.20 = 458,321.37/x
  3. Step 3: Cross multiply
    761,596.30x = 1,142,633.20 × 458,321.37
  4. Step 4: Simplify right side
    761,596.30x = 523,693,213,631.48
  5. Step 5: Solve for x
    x = 523,693,213,631.48/761,596.30
  6. Step 6: Final answer
    x = 687,625.73

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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.