Home / 1,373,152.30-2,059,728.45-811,897.90

Finding the Fourth Proportional to 1,373,152.30, 2,059,728.45 and 811,897.90

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Solution

The fourth proportional to 1,373,152.30, 2,059,728.45 and 811,897.90 is: 1,217,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,152.30 : 2,059,728.45 = 811,897.90 : x
  2. Step 2: Convert to fraction form
    1,373,152.30/2,059,728.45 = 811,897.90/x
  3. Step 3: Cross multiply
    1,373,152.30x = 2,059,728.45 × 811,897.90
  4. Step 4: Simplify right side
    1,373,152.30x = 1,672,289,203,125.26
  5. Step 5: Solve for x
    x = 1,672,289,203,125.26/1,373,152.30
  6. Step 6: Final answer
    x = 1,217,846.85

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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.