Home / 1,238,895.60-1,856,010.60-637,810.80

Finding the Fourth Proportional to 1,238,895.60, 1,856,010.60 and 637,810.80

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Solution

The fourth proportional to 1,238,895.60, 1,856,010.60 and 637,810.80 is: 955,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,895.60 : 1,856,010.60 = 637,810.80 : x
  2. Step 2: Convert to fraction form
    1,238,895.60/1,856,010.60 = 637,810.80/x
  3. Step 3: Cross multiply
    1,238,895.60x = 1,856,010.60 × 637,810.80
  4. Step 4: Simplify right side
    1,238,895.60x = 1,183,783,605,594.48
  5. Step 5: Solve for x
    x = 1,183,783,605,594.48/1,238,895.60
  6. Step 6: Final answer
    x = 955,515.22

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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.