Home / 883,285.40-1,324,928.10-409,813.40

Finding the Fourth Proportional to 883,285.40, 1,324,928.10 and 409,813.40

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Solution

The fourth proportional to 883,285.40, 1,324,928.10 and 409,813.40 is: 614,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,285.40 : 1,324,928.10 = 409,813.40 : x
  2. Step 2: Convert to fraction form
    883,285.40/1,324,928.10 = 409,813.40/x
  3. Step 3: Cross multiply
    883,285.40x = 1,324,928.10 × 409,813.40
  4. Step 4: Simplify right side
    883,285.40x = 542,973,289,416.54
  5. Step 5: Solve for x
    x = 542,973,289,416.54/883,285.40
  6. Step 6: Final answer
    x = 614,720.10

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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.