Home / 1,238,892.60-1,856,006.10-637,807.80

Finding the Fourth Proportional to 1,238,892.60, 1,856,006.10 and 637,807.80

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Solution

The fourth proportional to 1,238,892.60, 1,856,006.10 and 637,807.80 is: 955,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,892.60 : 1,856,006.10 = 637,807.80 : x
  2. Step 2: Convert to fraction form
    1,238,892.60/1,856,006.10 = 637,807.80/x
  3. Step 3: Cross multiply
    1,238,892.60x = 1,856,006.10 × 637,807.80
  4. Step 4: Simplify right side
    1,238,892.60x = 1,183,775,167,427.58
  5. Step 5: Solve for x
    x = 1,183,775,167,427.58/1,238,892.60
  6. Step 6: Final answer
    x = 955,510.73

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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.