Home / 1,059,145.20-1,588,717.80-611,247.60

Finding the Fourth Proportional to 1,059,145.20, 1,588,717.80 and 611,247.60

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Solution

The fourth proportional to 1,059,145.20, 1,588,717.80 and 611,247.60 is: 916,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,145.20 : 1,588,717.80 = 611,247.60 : x
  2. Step 2: Convert to fraction form
    1,059,145.20/1,588,717.80 = 611,247.60/x
  3. Step 3: Cross multiply
    1,059,145.20x = 1,588,717.80 × 611,247.60
  4. Step 4: Simplify right side
    1,059,145.20x = 971,099,942,327.28
  5. Step 5: Solve for x
    x = 971,099,942,327.28/1,059,145.20
  6. Step 6: Final answer
    x = 916,871.40

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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.