Home / 1,300,612.60-1,949,606.70-591,149.80

Finding the Fourth Proportional to 1,300,612.60, 1,949,606.70 and 591,149.80

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Solution

The fourth proportional to 1,300,612.60, 1,949,606.70 and 591,149.80 is: 886,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,612.60 : 1,949,606.70 = 591,149.80 : x
  2. Step 2: Convert to fraction form
    1,300,612.60/1,949,606.70 = 591,149.80/x
  3. Step 3: Cross multiply
    1,300,612.60x = 1,949,606.70 × 591,149.80
  4. Step 4: Simplify right side
    1,300,612.60x = 1,152,509,610,783.66
  5. Step 5: Solve for x
    x = 1,152,509,610,783.66/1,300,612.60
  6. Step 6: Final answer
    x = 886,128.28

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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.