Home / 654,890.40-982,335.60-576,158.40

Finding the Fourth Proportional to 654,890.40, 982,335.60 and 576,158.40

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Solution

The fourth proportional to 654,890.40, 982,335.60 and 576,158.40 is: 864,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,890.40 : 982,335.60 = 576,158.40 : x
  2. Step 2: Convert to fraction form
    654,890.40/982,335.60 = 576,158.40/x
  3. Step 3: Cross multiply
    654,890.40x = 982,335.60 × 576,158.40
  4. Step 4: Simplify right side
    654,890.40x = 565,980,907,559.04
  5. Step 5: Solve for x
    x = 565,980,907,559.04/654,890.40
  6. Step 6: Final answer
    x = 864,237.60

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Half scale
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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.