Home / 843,586.70-1,164,146.50-456,400.88

Finding the Fourth Proportional to 843,586.70, 1,164,146.50 and 456,400.88

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Solution

The fourth proportional to 843,586.70, 1,164,146.50 and 456,400.88 is: 629,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,586.70 : 1,164,146.50 = 456,400.88 : x
  2. Step 2: Convert to fraction form
    843,586.70/1,164,146.50 = 456,400.88/x
  3. Step 3: Cross multiply
    843,586.70x = 1,164,146.50 × 456,400.88
  4. Step 4: Simplify right side
    843,586.70x = 531,317,483,596.98
  5. Step 5: Solve for x
    x = 531,317,483,596.98/843,586.70
  6. Step 6: Final answer
    x = 629,831.51

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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.