Home / 563,669.40-843,535.80-394,395.60

Finding the Fourth Proportional to 563,669.40, 843,535.80 and 394,395.60

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Solution

The fourth proportional to 563,669.40, 843,535.80 and 394,395.60 is: 590,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,669.40 : 843,535.80 = 394,395.60 : x
  2. Step 2: Convert to fraction form
    563,669.40/843,535.80 = 394,395.60/x
  3. Step 3: Cross multiply
    563,669.40x = 843,535.80 × 394,395.60
  4. Step 4: Simplify right side
    563,669.40x = 332,686,807,962.48
  5. Step 5: Solve for x
    x = 332,686,807,962.48/563,669.40
  6. Step 6: Final answer
    x = 590,216.19

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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.