Home / 607,516.30-911,274.45-495,323.20

Finding the Fourth Proportional to 607,516.30, 911,274.45 and 495,323.20

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Solution

The fourth proportional to 607,516.30, 911,274.45 and 495,323.20 is: 742,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,516.30 : 911,274.45 = 495,323.20 : x
  2. Step 2: Convert to fraction form
    607,516.30/911,274.45 = 495,323.20/x
  3. Step 3: Cross multiply
    607,516.30x = 911,274.45 × 495,323.20
  4. Step 4: Simplify right side
    607,516.30x = 451,375,376,652.24
  5. Step 5: Solve for x
    x = 451,375,376,652.24/607,516.30
  6. Step 6: Final answer
    x = 742,984.80

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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.