Home / 814,286.40-1,221,429.60-604,334.40

Finding the Fourth Proportional to 814,286.40, 1,221,429.60 and 604,334.40

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Solution

The fourth proportional to 814,286.40, 1,221,429.60 and 604,334.40 is: 906,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,286.40 : 1,221,429.60 = 604,334.40 : x
  2. Step 2: Convert to fraction form
    814,286.40/1,221,429.60 = 604,334.40/x
  3. Step 3: Cross multiply
    814,286.40x = 1,221,429.60 × 604,334.40
  4. Step 4: Simplify right side
    814,286.40x = 738,151,924,458.24
  5. Step 5: Solve for x
    x = 738,151,924,458.24/814,286.40
  6. Step 6: Final answer
    x = 906,501.60

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Double scale
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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.