Home / 933,235.60-1,399,853.40-259,315.60

Finding the Fourth Proportional to 933,235.60, 1,399,853.40 and 259,315.60

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Solution

The fourth proportional to 933,235.60, 1,399,853.40 and 259,315.60 is: 388,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,235.60 : 1,399,853.40 = 259,315.60 : x
  2. Step 2: Convert to fraction form
    933,235.60/1,399,853.40 = 259,315.60/x
  3. Step 3: Cross multiply
    933,235.60x = 1,399,853.40 × 259,315.60
  4. Step 4: Simplify right side
    933,235.60x = 363,003,824,333.04
  5. Step 5: Solve for x
    x = 363,003,824,333.04/933,235.60
  6. Step 6: Final answer
    x = 388,973.40

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Double scale
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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.