Home / 1,577,287.40-2,362,820.70-911,661.80

Finding the Fourth Proportional to 1,577,287.40, 2,362,820.70 and 911,661.80

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Solution

The fourth proportional to 1,577,287.40, 2,362,820.70 and 911,661.80 is: 1,365,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,287.40 : 2,362,820.70 = 911,661.80 : x
  2. Step 2: Convert to fraction form
    1,577,287.40/2,362,820.70 = 911,661.80/x
  3. Step 3: Cross multiply
    1,577,287.40x = 2,362,820.70 × 911,661.80
  4. Step 4: Simplify right side
    1,577,287.40x = 2,154,093,372,439.26
  5. Step 5: Solve for x
    x = 2,154,093,372,439.26/1,577,287.40
  6. Step 6: Final answer
    x = 1,365,694.91

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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.