Home / 766,848.60-1,058,245.80-422,684.82

Finding the Fourth Proportional to 766,848.60, 1,058,245.80 and 422,684.82

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Solution

The fourth proportional to 766,848.60, 1,058,245.80 and 422,684.82 is: 583,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,848.60 : 1,058,245.80 = 422,684.82 : x
  2. Step 2: Convert to fraction form
    766,848.60/1,058,245.80 = 422,684.82/x
  3. Step 3: Cross multiply
    766,848.60x = 1,058,245.80 × 422,684.82
  4. Step 4: Simplify right side
    766,848.60x = 447,304,435,488.76
  5. Step 5: Solve for x
    x = 447,304,435,488.76/766,848.60
  6. Step 6: Final answer
    x = 583,302.15

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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.