Home / 1,688,953.57-2,330,176.89-963,279.43

Finding the Fourth Proportional to 1,688,953.57, 2,330,176.89 and 963,279.43

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Solution

The fourth proportional to 1,688,953.57, 2,330,176.89 and 963,279.43 is: 1,328,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,953.57 : 2,330,176.89 = 963,279.43 : x
  2. Step 2: Convert to fraction form
    1,688,953.57/2,330,176.89 = 963,279.43/x
  3. Step 3: Cross multiply
    1,688,953.57x = 2,330,176.89 × 963,279.43
  4. Step 4: Simplify right side
    1,688,953.57x = 2,244,611,466,398.37
  5. Step 5: Solve for x
    x = 2,244,611,466,398.37/1,688,953.57
  6. Step 6: Final answer
    x = 1,328,995.37

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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.