Home / 737,764.08-1,015,970.49-640,923.72

Finding the Fourth Proportional to 737,764.08, 1,015,970.49 and 640,923.72

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Solution

The fourth proportional to 737,764.08, 1,015,970.49 and 640,923.72 is: 882,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,764.08 : 1,015,970.49 = 640,923.72 : x
  2. Step 2: Convert to fraction form
    737,764.08/1,015,970.49 = 640,923.72/x
  3. Step 3: Cross multiply
    737,764.08x = 1,015,970.49 × 640,923.72
  4. Step 4: Simplify right side
    737,764.08x = 651,159,585,861.02
  5. Step 5: Solve for x
    x = 651,159,585,861.02/737,764.08
  6. Step 6: Final answer
    x = 882,612.21

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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.