Home / 696,939.45-962,114.39-467,412.78

Finding the Fourth Proportional to 696,939.45, 962,114.39 and 467,412.78

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Solution

The fourth proportional to 696,939.45, 962,114.39 and 467,412.78 is: 645,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,939.45 : 962,114.39 = 467,412.78 : x
  2. Step 2: Convert to fraction form
    696,939.45/962,114.39 = 467,412.78/x
  3. Step 3: Cross multiply
    696,939.45x = 962,114.39 × 467,412.78
  4. Step 4: Simplify right side
    696,939.45x = 449,704,559,370.84
  5. Step 5: Solve for x
    x = 449,704,559,370.84/696,939.45
  6. Step 6: Final answer
    x = 645,256.28

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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.