Home / 819,907.38-1,131,473.88-457,354.62

Finding the Fourth Proportional to 819,907.38, 1,131,473.88 and 457,354.62

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Solution

The fourth proportional to 819,907.38, 1,131,473.88 and 457,354.62 is: 631,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,907.38 : 1,131,473.88 = 457,354.62 : x
  2. Step 2: Convert to fraction form
    819,907.38/1,131,473.88 = 457,354.62/x
  3. Step 3: Cross multiply
    819,907.38x = 1,131,473.88 × 457,354.62
  4. Step 4: Simplify right side
    819,907.38x = 517,484,806,427.33
  5. Step 5: Solve for x
    x = 517,484,806,427.33/819,907.38
  6. Step 6: Final answer
    x = 631,150.32

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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.