Home / 809,482.78-1,117,087.90-446,907.34

Finding the Fourth Proportional to 809,482.78, 1,117,087.90 and 446,907.34

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Solution

The fourth proportional to 809,482.78, 1,117,087.90 and 446,907.34 is: 616,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,482.78 : 1,117,087.90 = 446,907.34 : x
  2. Step 2: Convert to fraction form
    809,482.78/1,117,087.90 = 446,907.34/x
  3. Step 3: Cross multiply
    809,482.78x = 1,117,087.90 × 446,907.34
  4. Step 4: Simplify right side
    809,482.78x = 499,234,781,935.19
  5. Step 5: Solve for x
    x = 499,234,781,935.19/809,482.78
  6. Step 6: Final answer
    x = 616,733.05

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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.