Home / 1,411,727.76-2,117,586.60-612,905.04

Finding the Fourth Proportional to 1,411,727.76, 2,117,586.60 and 612,905.04

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Solution

The fourth proportional to 1,411,727.76, 2,117,586.60 and 612,905.04 is: 919,355.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,727.76 : 2,117,586.60 = 612,905.04 : x
  2. Step 2: Convert to fraction form
    1,411,727.76/2,117,586.60 = 612,905.04/x
  3. Step 3: Cross multiply
    1,411,727.76x = 2,117,586.60 × 612,905.04
  4. Step 4: Simplify right side
    1,411,727.76x = 1,297,879,499,776.46
  5. Step 5: Solve for x
    x = 1,297,879,499,776.46/1,411,727.76
  6. Step 6: Final answer
    x = 919,355.37

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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.