Home / 967,439.80-1,451,159.70-257,539.60

Finding the Fourth Proportional to 967,439.80, 1,451,159.70 and 257,539.60

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Solution

The fourth proportional to 967,439.80, 1,451,159.70 and 257,539.60 is: 386,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,439.80 : 1,451,159.70 = 257,539.60 : x
  2. Step 2: Convert to fraction form
    967,439.80/1,451,159.70 = 257,539.60/x
  3. Step 3: Cross multiply
    967,439.80x = 1,451,159.70 × 257,539.60
  4. Step 4: Simplify right side
    967,439.80x = 373,731,088,674.12
  5. Step 5: Solve for x
    x = 373,731,088,674.12/967,439.80
  6. Step 6: Final answer
    x = 386,309.40

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Half scale
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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.