Home / 834,839.29-1,152,078.60-472,255.48

Finding the Fourth Proportional to 834,839.29, 1,152,078.60 and 472,255.48

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Solution

The fourth proportional to 834,839.29, 1,152,078.60 and 472,255.48 is: 651,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,839.29 : 1,152,078.60 = 472,255.48 : x
  2. Step 2: Convert to fraction form
    834,839.29/1,152,078.60 = 472,255.48/x
  3. Step 3: Cross multiply
    834,839.29x = 1,152,078.60 × 472,255.48
  4. Step 4: Simplify right side
    834,839.29x = 544,075,432,240.73
  5. Step 5: Solve for x
    x = 544,075,432,240.73/834,839.29
  6. Step 6: Final answer
    x = 651,712.78

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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.