Home / 876,338.40-1,314,507.60-497,112.60

Finding the Fourth Proportional to 876,338.40, 1,314,507.60 and 497,112.60

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Solution

The fourth proportional to 876,338.40, 1,314,507.60 and 497,112.60 is: 745,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,338.40 : 1,314,507.60 = 497,112.60 : x
  2. Step 2: Convert to fraction form
    876,338.40/1,314,507.60 = 497,112.60/x
  3. Step 3: Cross multiply
    876,338.40x = 1,314,507.60 × 497,112.60
  4. Step 4: Simplify right side
    876,338.40x = 653,458,290,755.76
  5. Step 5: Solve for x
    x = 653,458,290,755.76/876,338.40
  6. Step 6: Final answer
    x = 745,668.90

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Similar ratio
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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.