Home / 4,343,717.40-6,515,576.10-3,640,378.20

Finding the Fourth Proportional to 4,343,717.40, 6,515,576.10 and 3,640,378.20

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Solution

The fourth proportional to 4,343,717.40, 6,515,576.10 and 3,640,378.20 is: 5,460,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343,717.40 : 6,515,576.10 = 3,640,378.20 : x
  2. Step 2: Convert to fraction form
    4,343,717.40/6,515,576.10 = 3,640,378.20/x
  3. Step 3: Cross multiply
    4,343,717.40x = 6,515,576.10 × 3,640,378.20
  4. Step 4: Simplify right side
    4,343,717.40x = 23,719,161,194,881.02
  5. Step 5: Solve for x
    x = 23,719,161,194,881.02/4,343,717.40
  6. Step 6: Final answer
    x = 5,460,567.30

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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.