Home / 2,121,856.96-3,182,754.24-524,420.20

Finding the Fourth Proportional to 2,121,856.96, 3,182,754.24 and 524,420.20

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Solution

The fourth proportional to 2,121,856.96, 3,182,754.24 and 524,420.20 is: 786,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,856.96 : 3,182,754.24 = 524,420.20 : x
  2. Step 2: Convert to fraction form
    2,121,856.96/3,182,754.24 = 524,420.20/x
  3. Step 3: Cross multiply
    2,121,856.96x = 3,182,754.24 × 524,420.20
  4. Step 4: Simplify right side
    2,121,856.96x = 1,669,100,615,091.65
  5. Step 5: Solve for x
    x = 1,669,100,615,091.65/2,121,856.96
  6. Step 6: Final answer
    x = 786,622.59

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Double scale
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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.