Home / 632,212.48-872,453.19-345,732.76

Finding the Fourth Proportional to 632,212.48, 872,453.19 and 345,732.76

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Solution

The fourth proportional to 632,212.48, 872,453.19 and 345,732.76 is: 477,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,212.48 : 872,453.19 = 345,732.76 : x
  2. Step 2: Convert to fraction form
    632,212.48/872,453.19 = 345,732.76/x
  3. Step 3: Cross multiply
    632,212.48x = 872,453.19 × 345,732.76
  4. Step 4: Simplify right side
    632,212.48x = 301,635,649,349.50
  5. Step 5: Solve for x
    x = 301,635,649,349.50/632,212.48
  6. Step 6: Final answer
    x = 477,111.19

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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.