Home / 1,434,523.16-1,979,491.43-814,130.76

Finding the Fourth Proportional to 1,434,523.16, 1,979,491.43 and 814,130.76

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Solution

The fourth proportional to 1,434,523.16, 1,979,491.43 and 814,130.76 is: 1,123,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,523.16 : 1,979,491.43 = 814,130.76 : x
  2. Step 2: Convert to fraction form
    1,434,523.16/1,979,491.43 = 814,130.76/x
  3. Step 3: Cross multiply
    1,434,523.16x = 1,979,491.43 × 814,130.76
  4. Step 4: Simplify right side
    1,434,523.16x = 1,611,564,858,248.73
  5. Step 5: Solve for x
    x = 1,611,564,858,248.73/1,434,523.16
  6. Step 6: Final answer
    x = 1,123,415.01

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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.