Home / 553,743.20-830,096.40-433,733.60

Finding the Fourth Proportional to 553,743.20, 830,096.40 and 433,733.60

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Solution

The fourth proportional to 553,743.20, 830,096.40 and 433,733.60 is: 650,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,743.20 : 830,096.40 = 433,733.60 : x
  2. Step 2: Convert to fraction form
    553,743.20/830,096.40 = 433,733.60/x
  3. Step 3: Cross multiply
    553,743.20x = 830,096.40 × 433,733.60
  4. Step 4: Simplify right side
    553,743.20x = 360,040,699,919.04
  5. Step 5: Solve for x
    x = 360,040,699,919.04/553,743.20
  6. Step 6: Final answer
    x = 650,194.35

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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.