Home / 1,255,853.60-1,883,780.40-414,202.40

Finding the Fourth Proportional to 1,255,853.60, 1,883,780.40 and 414,202.40

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Solution

The fourth proportional to 1,255,853.60, 1,883,780.40 and 414,202.40 is: 621,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,853.60 : 1,883,780.40 = 414,202.40 : x
  2. Step 2: Convert to fraction form
    1,255,853.60/1,883,780.40 = 414,202.40/x
  3. Step 3: Cross multiply
    1,255,853.60x = 1,883,780.40 × 414,202.40
  4. Step 4: Simplify right side
    1,255,853.60x = 780,266,362,752.96
  5. Step 5: Solve for x
    x = 780,266,362,752.96/1,255,853.60
  6. Step 6: Final answer
    x = 621,303.60

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Similar ratio
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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.