Home / 1,147,270.20-1,720,905.30-649,606.20

Finding the Fourth Proportional to 1,147,270.20, 1,720,905.30 and 649,606.20

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Solution

The fourth proportional to 1,147,270.20, 1,720,905.30 and 649,606.20 is: 974,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,270.20 : 1,720,905.30 = 649,606.20 : x
  2. Step 2: Convert to fraction form
    1,147,270.20/1,720,905.30 = 649,606.20/x
  3. Step 3: Cross multiply
    1,147,270.20x = 1,720,905.30 × 649,606.20
  4. Step 4: Simplify right side
    1,147,270.20x = 1,117,910,752,492.86
  5. Step 5: Solve for x
    x = 1,117,910,752,492.86/1,147,270.20
  6. Step 6: Final answer
    x = 974,409.30

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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.