Home / 1,726,406.40-2,588,380.80-661,036.80

Finding the Fourth Proportional to 1,726,406.40, 2,588,380.80 and 661,036.80

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Solution

The fourth proportional to 1,726,406.40, 2,588,380.80 and 661,036.80 is: 991,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,406.40 : 2,588,380.80 = 661,036.80 : x
  2. Step 2: Convert to fraction form
    1,726,406.40/2,588,380.80 = 661,036.80/x
  3. Step 3: Cross multiply
    1,726,406.40x = 2,588,380.80 × 661,036.80
  4. Step 4: Simplify right side
    1,726,406.40x = 1,711,014,961,213.44
  5. Step 5: Solve for x
    x = 1,711,014,961,213.44/1,726,406.40
  6. Step 6: Final answer
    x = 991,084.70

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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.