Home / 549,269.70-823,904.55-313,340.10

Finding the Fourth Proportional to 549,269.70, 823,904.55 and 313,340.10

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Solution

The fourth proportional to 549,269.70, 823,904.55 and 313,340.10 is: 470,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,269.70 : 823,904.55 = 313,340.10 : x
  2. Step 2: Convert to fraction form
    549,269.70/823,904.55 = 313,340.10/x
  3. Step 3: Cross multiply
    549,269.70x = 823,904.55 × 313,340.10
  4. Step 4: Simplify right side
    549,269.70x = 258,162,334,087.46
  5. Step 5: Solve for x
    x = 258,162,334,087.46/549,269.70
  6. Step 6: Final answer
    x = 470,010.15

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Similar ratio
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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.