Home / 805,003.40-1,207,505.10-604,236.80

Finding the Fourth Proportional to 805,003.40, 1,207,505.10 and 604,236.80

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Solution

The fourth proportional to 805,003.40, 1,207,505.10 and 604,236.80 is: 906,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,003.40 : 1,207,505.10 = 604,236.80 : x
  2. Step 2: Convert to fraction form
    805,003.40/1,207,505.10 = 604,236.80/x
  3. Step 3: Cross multiply
    805,003.40x = 1,207,505.10 × 604,236.80
  4. Step 4: Simplify right side
    805,003.40x = 729,619,017,607.68
  5. Step 5: Solve for x
    x = 729,619,017,607.68/805,003.40
  6. Step 6: Final answer
    x = 906,355.20

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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.