Home / 869,618.88-1,200,086.46-525,407.04

Finding the Fourth Proportional to 869,618.88, 1,200,086.46 and 525,407.04

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Solution

The fourth proportional to 869,618.88, 1,200,086.46 and 525,407.04 is: 725,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,618.88 : 1,200,086.46 = 525,407.04 : x
  2. Step 2: Convert to fraction form
    869,618.88/1,200,086.46 = 525,407.04/x
  3. Step 3: Cross multiply
    869,618.88x = 1,200,086.46 × 525,407.04
  4. Step 4: Simplify right side
    869,618.88x = 630,533,874,692.68
  5. Step 5: Solve for x
    x = 630,533,874,692.68/869,618.88
  6. Step 6: Final answer
    x = 725,069.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.