Home / 808,047.53-1,115,114.20-445,484.37

Finding the Fourth Proportional to 808,047.53, 1,115,114.20 and 445,484.37

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Solution

The fourth proportional to 808,047.53, 1,115,114.20 and 445,484.37 is: 614,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,047.53 : 1,115,114.20 = 445,484.37 : x
  2. Step 2: Convert to fraction form
    808,047.53/1,115,114.20 = 445,484.37/x
  3. Step 3: Cross multiply
    808,047.53x = 1,115,114.20 × 445,484.37
  4. Step 4: Simplify right side
    808,047.53x = 496,765,945,751.34
  5. Step 5: Solve for x
    x = 496,765,945,751.34/808,047.53
  6. Step 6: Final answer
    x = 614,773.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.