Home / 976,629.80-1,347,631.14-546,876.20

Finding the Fourth Proportional to 976,629.80, 1,347,631.14 and 546,876.20

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Solution

The fourth proportional to 976,629.80, 1,347,631.14 and 546,876.20 is: 754,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,629.80 : 1,347,631.14 = 546,876.20 : x
  2. Step 2: Convert to fraction form
    976,629.80/1,347,631.14 = 546,876.20/x
  3. Step 3: Cross multiply
    976,629.80x = 1,347,631.14 × 546,876.20
  4. Step 4: Simplify right side
    976,629.80x = 736,987,396,844.87
  5. Step 5: Solve for x
    x = 736,987,396,844.87/976,629.80
  6. Step 6: Final answer
    x = 754,623.09

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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.