Home / 591,427.20-885,974.40-354,064.80

Finding the Fourth Proportional to 591,427.20, 885,974.40 and 354,064.80

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Solution

The fourth proportional to 591,427.20, 885,974.40 and 354,064.80 is: 530,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,427.20 : 885,974.40 = 354,064.80 : x
  2. Step 2: Convert to fraction form
    591,427.20/885,974.40 = 354,064.80/x
  3. Step 3: Cross multiply
    591,427.20x = 885,974.40 × 354,064.80
  4. Step 4: Simplify right side
    591,427.20x = 313,692,348,741.12
  5. Step 5: Solve for x
    x = 313,692,348,741.12/591,427.20
  6. Step 6: Final answer
    x = 530,398.92

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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.