Home / 1,720,136.72-2,580,213.32-522,069.41

Finding the Fourth Proportional to 1,720,136.72, 2,580,213.32 and 522,069.41

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Solution

The fourth proportional to 1,720,136.72, 2,580,213.32 and 522,069.41 is: 783,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,136.72 : 2,580,213.32 = 522,069.41 : x
  2. Step 2: Convert to fraction form
    1,720,136.72/2,580,213.32 = 522,069.41/x
  3. Step 3: Cross multiply
    1,720,136.72x = 2,580,213.32 × 522,069.41
  4. Step 4: Simplify right side
    1,720,136.72x = 1,347,050,445,646.54
  5. Step 5: Solve for x
    x = 1,347,050,445,646.54/1,720,136.72
  6. Step 6: Final answer
    x = 783,106.62

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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.