Home / 485,039.40-727,559.10-463,266.60

Finding the Fourth Proportional to 485,039.40, 727,559.10 and 463,266.60

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Solution

The fourth proportional to 485,039.40, 727,559.10 and 463,266.60 is: 694,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,039.40 : 727,559.10 = 463,266.60 : x
  2. Step 2: Convert to fraction form
    485,039.40/727,559.10 = 463,266.60/x
  3. Step 3: Cross multiply
    485,039.40x = 727,559.10 × 463,266.60
  4. Step 4: Simplify right side
    485,039.40x = 337,053,830,556.06
  5. Step 5: Solve for x
    x = 337,053,830,556.06/485,039.40
  6. Step 6: Final answer
    x = 694,899.90

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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.