Home / 1,577,710.60-2,365,982.70-512,787.40

Finding the Fourth Proportional to 1,577,710.60, 2,365,982.70 and 512,787.40

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Solution

The fourth proportional to 1,577,710.60, 2,365,982.70 and 512,787.40 is: 768,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,710.60 : 2,365,982.70 = 512,787.40 : x
  2. Step 2: Convert to fraction form
    1,577,710.60/2,365,982.70 = 512,787.40/x
  3. Step 3: Cross multiply
    1,577,710.60x = 2,365,982.70 × 512,787.40
  4. Step 4: Simplify right side
    1,577,710.60x = 1,213,246,117,177.98
  5. Step 5: Solve for x
    x = 1,213,246,117,177.98/1,577,710.60
  6. Step 6: Final answer
    x = 768,991.55

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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.