Home / 874,822.50-1,207,255.05-472,414.50

Finding the Fourth Proportional to 874,822.50, 1,207,255.05 and 472,414.50

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Solution

The fourth proportional to 874,822.50, 1,207,255.05 and 472,414.50 is: 651,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,822.50 : 1,207,255.05 = 472,414.50 : x
  2. Step 2: Convert to fraction form
    874,822.50/1,207,255.05 = 472,414.50/x
  3. Step 3: Cross multiply
    874,822.50x = 1,207,255.05 × 472,414.50
  4. Step 4: Simplify right side
    874,822.50x = 570,324,790,818.23
  5. Step 5: Solve for x
    x = 570,324,790,818.23/874,822.50
  6. Step 6: Final answer
    x = 651,932.01

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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.