Home / 1,663,580.40-2,496,477.60-905,612.88

Finding the Fourth Proportional to 1,663,580.40, 2,496,477.60 and 905,612.88

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Solution

The fourth proportional to 1,663,580.40, 2,496,477.60 and 905,612.88 is: 1,359,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,580.40 : 2,496,477.60 = 905,612.88 : x
  2. Step 2: Convert to fraction form
    1,663,580.40/2,496,477.60 = 905,612.88/x
  3. Step 3: Cross multiply
    1,663,580.40x = 2,496,477.60 × 905,612.88
  4. Step 4: Simplify right side
    1,663,580.40x = 2,260,842,269,191.49
  5. Step 5: Solve for x
    x = 2,260,842,269,191.49/1,663,580.40
  6. Step 6: Final answer
    x = 1,359,021.94

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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.