Home / 669,705.40-1,004,558.10-171,069.40

Finding the Fourth Proportional to 669,705.40, 1,004,558.10 and 171,069.40

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Solution

The fourth proportional to 669,705.40, 1,004,558.10 and 171,069.40 is: 256,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,705.40 : 1,004,558.10 = 171,069.40 : x
  2. Step 2: Convert to fraction form
    669,705.40/1,004,558.10 = 171,069.40/x
  3. Step 3: Cross multiply
    669,705.40x = 1,004,558.10 × 171,069.40
  4. Step 4: Simplify right side
    669,705.40x = 171,849,151,432.14
  5. Step 5: Solve for x
    x = 171,849,151,432.14/669,705.40
  6. Step 6: Final answer
    x = 256,604.10

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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.