Home / 591,055.20-885,999.60-291,290.40

Finding the Fourth Proportional to 591,055.20, 885,999.60 and 291,290.40

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Solution

The fourth proportional to 591,055.20, 885,999.60 and 291,290.40 is: 436,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,055.20 : 885,999.60 = 291,290.40 : x
  2. Step 2: Convert to fraction form
    591,055.20/885,999.60 = 291,290.40/x
  3. Step 3: Cross multiply
    591,055.20x = 885,999.60 × 291,290.40
  4. Step 4: Simplify right side
    591,055.20x = 258,083,177,883.84
  5. Step 5: Solve for x
    x = 258,083,177,883.84/591,055.20
  6. Step 6: Final answer
    x = 436,648.18

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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.