Home / 705,872.80-1,058,809.20-626,557.60

Finding the Fourth Proportional to 705,872.80, 1,058,809.20 and 626,557.60

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Solution

The fourth proportional to 705,872.80, 1,058,809.20 and 626,557.60 is: 939,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,872.80 : 1,058,809.20 = 626,557.60 : x
  2. Step 2: Convert to fraction form
    705,872.80/1,058,809.20 = 626,557.60/x
  3. Step 3: Cross multiply
    705,872.80x = 1,058,809.20 × 626,557.60
  4. Step 4: Simplify right side
    705,872.80x = 663,404,951,209.92
  5. Step 5: Solve for x
    x = 663,404,951,209.92/705,872.80
  6. Step 6: Final answer
    x = 939,836.40

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Similar ratio
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1.5x scale

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.