Home / 705,900.90-1,058,851.35-374,124.90

Finding the Fourth Proportional to 705,900.90, 1,058,851.35 and 374,124.90

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Solution

The fourth proportional to 705,900.90, 1,058,851.35 and 374,124.90 is: 561,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,900.90 : 1,058,851.35 = 374,124.90 : x
  2. Step 2: Convert to fraction form
    705,900.90/1,058,851.35 = 374,124.90/x
  3. Step 3: Cross multiply
    705,900.90x = 1,058,851.35 × 374,124.90
  4. Step 4: Simplify right side
    705,900.90x = 396,142,655,433.62
  5. Step 5: Solve for x
    x = 396,142,655,433.62/705,900.90
  6. Step 6: Final answer
    x = 561,187.35

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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.