Home / 761,632.50-1,051,052.85-422,122.62

Finding the Fourth Proportional to 761,632.50, 1,051,052.85 and 422,122.62

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Solution

The fourth proportional to 761,632.50, 1,051,052.85 and 422,122.62 is: 582,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,632.50 : 1,051,052.85 = 422,122.62 : x
  2. Step 2: Convert to fraction form
    761,632.50/1,051,052.85 = 422,122.62/x
  3. Step 3: Cross multiply
    761,632.50x = 1,051,052.85 × 422,122.62
  4. Step 4: Simplify right side
    761,632.50x = 443,673,182,800.47
  5. Step 5: Solve for x
    x = 443,673,182,800.47/761,632.50
  6. Step 6: Final answer
    x = 582,529.22

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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.