Home / 705,902.90-1,058,854.35-374,126.90

Finding the Fourth Proportional to 705,902.90, 1,058,854.35 and 374,126.90

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Solution

The fourth proportional to 705,902.90, 1,058,854.35 and 374,126.90 is: 561,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,902.90 : 1,058,854.35 = 374,126.90 : x
  2. Step 2: Convert to fraction form
    705,902.90/1,058,854.35 = 374,126.90/x
  3. Step 3: Cross multiply
    705,902.90x = 1,058,854.35 × 374,126.90
  4. Step 4: Simplify right side
    705,902.90x = 396,145,895,517.02
  5. Step 5: Solve for x
    x = 396,145,895,517.02/705,902.90
  6. Step 6: Final answer
    x = 561,190.35

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Half scale
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Double scale
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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.