Home / 896,420.38-1,237,060.14-494,012.38

Finding the Fourth Proportional to 896,420.38, 1,237,060.14 and 494,012.38

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Solution

The fourth proportional to 896,420.38, 1,237,060.14 and 494,012.38 is: 681,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,420.38 : 1,237,060.14 = 494,012.38 : x
  2. Step 2: Convert to fraction form
    896,420.38/1,237,060.14 = 494,012.38/x
  3. Step 3: Cross multiply
    896,420.38x = 1,237,060.14 × 494,012.38
  4. Step 4: Simplify right side
    896,420.38x = 611,123,023,964.53
  5. Step 5: Solve for x
    x = 611,123,023,964.53/896,420.38
  6. Step 6: Final answer
    x = 681,737.09

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Half scale
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Double scale
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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.