Home / 1,157,389.45-1,597,180.14-641,141.80

Finding the Fourth Proportional to 1,157,389.45, 1,597,180.14 and 641,141.80

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Solution

The fourth proportional to 1,157,389.45, 1,597,180.14 and 641,141.80 is: 884,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,389.45 : 1,597,180.14 = 641,141.80 : x
  2. Step 2: Convert to fraction form
    1,157,389.45/1,597,180.14 = 641,141.80/x
  3. Step 3: Cross multiply
    1,157,389.45x = 1,597,180.14 × 641,141.80
  4. Step 4: Simplify right side
    1,157,389.45x = 1,024,018,949,883.85
  5. Step 5: Solve for x
    x = 1,024,018,949,883.85/1,157,389.45
  6. Step 6: Final answer
    x = 884,766.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.