Home / 572,576.50-790,188.38-317,944.09

Finding the Fourth Proportional to 572,576.50, 790,188.38 and 317,944.09

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Solution

The fourth proportional to 572,576.50, 790,188.38 and 317,944.09 is: 438,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,576.50 : 790,188.38 = 317,944.09 : x
  2. Step 2: Convert to fraction form
    572,576.50/790,188.38 = 317,944.09/x
  3. Step 3: Cross multiply
    572,576.50x = 790,188.38 × 317,944.09
  4. Step 4: Simplify right side
    572,576.50x = 251,235,725,407.67
  5. Step 5: Solve for x
    x = 251,235,725,407.67/572,576.50
  6. Step 6: Final answer
    x = 438,781.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.