Home / 807,699.14-1,114,604.27-440,185.72

Finding the Fourth Proportional to 807,699.14, 1,114,604.27 and 440,185.72

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Solution

The fourth proportional to 807,699.14, 1,114,604.27 and 440,185.72 is: 607,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,699.14 : 1,114,604.27 = 440,185.72 : x
  2. Step 2: Convert to fraction form
    807,699.14/1,114,604.27 = 440,185.72/x
  3. Step 3: Cross multiply
    807,699.14x = 1,114,604.27 × 440,185.72
  4. Step 4: Simplify right side
    807,699.14x = 490,632,883,105.02
  5. Step 5: Solve for x
    x = 490,632,883,105.02/807,699.14
  6. Step 6: Final answer
    x = 607,445.10

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Double scale
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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.