Home / 1,665,439.25-2,498,397.18-512,783.34

Finding the Fourth Proportional to 1,665,439.25, 2,498,397.18 and 512,783.34

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Solution

The fourth proportional to 1,665,439.25, 2,498,397.18 and 512,783.34 is: 769,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,439.25 : 2,498,397.18 = 512,783.34 : x
  2. Step 2: Convert to fraction form
    1,665,439.25/2,498,397.18 = 512,783.34/x
  3. Step 3: Cross multiply
    1,665,439.25x = 2,498,397.18 × 512,783.34
  4. Step 4: Simplify right side
    1,665,439.25x = 1,281,136,444,961.02
  5. Step 5: Solve for x
    x = 1,281,136,444,961.02/1,665,439.25
  6. Step 6: Final answer
    x = 769,248.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.