Home / 1,057,633.20-1,586,449.80-347,684.40

Finding the Fourth Proportional to 1,057,633.20, 1,586,449.80 and 347,684.40

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Solution

The fourth proportional to 1,057,633.20, 1,586,449.80 and 347,684.40 is: 521,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,633.20 : 1,586,449.80 = 347,684.40 : x
  2. Step 2: Convert to fraction form
    1,057,633.20/1,586,449.80 = 347,684.40/x
  3. Step 3: Cross multiply
    1,057,633.20x = 1,586,449.80 × 347,684.40
  4. Step 4: Simplify right side
    1,057,633.20x = 551,583,846,843.12
  5. Step 5: Solve for x
    x = 551,583,846,843.12/1,057,633.20
  6. Step 6: Final answer
    x = 521,526.60

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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.