Home / 1,563,193.60-2,345,009.10-664,628.20

Finding the Fourth Proportional to 1,563,193.60, 2,345,009.10 and 664,628.20

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Solution

The fourth proportional to 1,563,193.60, 2,345,009.10 and 664,628.20 is: 997,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,193.60 : 2,345,009.10 = 664,628.20 : x
  2. Step 2: Convert to fraction form
    1,563,193.60/2,345,009.10 = 664,628.20/x
  3. Step 3: Cross multiply
    1,563,193.60x = 2,345,009.10 × 664,628.20
  4. Step 4: Simplify right side
    1,563,193.60x = 1,558,559,177,116.62
  5. Step 5: Solve for x
    x = 1,558,559,177,116.62/1,563,193.60
  6. Step 6: Final answer
    x = 997,035.29

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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.