Home / 933,132.80-1,398,662.40-400,563.20

Finding the Fourth Proportional to 933,132.80, 1,398,662.40 and 400,563.20

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Solution

The fourth proportional to 933,132.80, 1,398,662.40 and 400,563.20 is: 600,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,132.80 : 1,398,662.40 = 400,563.20 : x
  2. Step 2: Convert to fraction form
    933,132.80/1,398,662.40 = 400,563.20/x
  3. Step 3: Cross multiply
    933,132.80x = 1,398,662.40 × 400,563.20
  4. Step 4: Simplify right side
    933,132.80x = 560,252,686,663.68
  5. Step 5: Solve for x
    x = 560,252,686,663.68/933,132.80
  6. Step 6: Final answer
    x = 600,399.74

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1.5x scale

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.