Home / 896,123.42-1,236,649.64-493,715.42

Finding the Fourth Proportional to 896,123.42, 1,236,649.64 and 493,715.42

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Solution

The fourth proportional to 896,123.42, 1,236,649.64 and 493,715.42 is: 681,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,123.42 : 1,236,649.64 = 493,715.42 : x
  2. Step 2: Convert to fraction form
    896,123.42/1,236,649.64 = 493,715.42/x
  3. Step 3: Cross multiply
    896,123.42x = 1,236,649.64 × 493,715.42
  4. Step 4: Simplify right side
    896,123.42x = 610,552,996,405.45
  5. Step 5: Solve for x
    x = 610,552,996,405.45/896,123.42
  6. Step 6: Final answer
    x = 681,326.91

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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.