Home / 2,065,576.40-3,098,364.60-645,630.20

Finding the Fourth Proportional to 2,065,576.40, 3,098,364.60 and 645,630.20

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Solution

The fourth proportional to 2,065,576.40, 3,098,364.60 and 645,630.20 is: 968,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,576.40 : 3,098,364.60 = 645,630.20 : x
  2. Step 2: Convert to fraction form
    2,065,576.40/3,098,364.60 = 645,630.20/x
  3. Step 3: Cross multiply
    2,065,576.40x = 3,098,364.60 × 645,630.20
  4. Step 4: Simplify right side
    2,065,576.40x = 2,000,397,756,370.92
  5. Step 5: Solve for x
    x = 2,000,397,756,370.92/2,065,576.40
  6. Step 6: Final answer
    x = 968,445.30

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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.