Home / 1,255,285.20-1,882,927.80-413,727.60

Finding the Fourth Proportional to 1,255,285.20, 1,882,927.80 and 413,727.60

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Solution

The fourth proportional to 1,255,285.20, 1,882,927.80 and 413,727.60 is: 620,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,285.20 : 1,882,927.80 = 413,727.60 : x
  2. Step 2: Convert to fraction form
    1,255,285.20/1,882,927.80 = 413,727.60/x
  3. Step 3: Cross multiply
    1,255,285.20x = 1,882,927.80 × 413,727.60
  4. Step 4: Simplify right side
    1,255,285.20x = 779,019,199,667.28
  5. Step 5: Solve for x
    x = 779,019,199,667.28/1,255,285.20
  6. Step 6: Final answer
    x = 620,591.40

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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.