Home / 529,724.40-794,586.60-193,145.10

Finding the Fourth Proportional to 529,724.40, 794,586.60 and 193,145.10

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Solution

The fourth proportional to 529,724.40, 794,586.60 and 193,145.10 is: 289,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,724.40 : 794,586.60 = 193,145.10 : x
  2. Step 2: Convert to fraction form
    529,724.40/794,586.60 = 193,145.10/x
  3. Step 3: Cross multiply
    529,724.40x = 794,586.60 × 193,145.10
  4. Step 4: Simplify right side
    529,724.40x = 153,470,508,315.66
  5. Step 5: Solve for x
    x = 153,470,508,315.66/529,724.40
  6. Step 6: Final answer
    x = 289,717.65

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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.