Home / 890,692.86-1,335,336.57-441,568.38

Finding the Fourth Proportional to 890,692.86, 1,335,336.57 and 441,568.38

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Solution

The fourth proportional to 890,692.86, 1,335,336.57 and 441,568.38 is: 662,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,692.86 : 1,335,336.57 = 441,568.38 : x
  2. Step 2: Convert to fraction form
    890,692.86/1,335,336.57 = 441,568.38/x
  3. Step 3: Cross multiply
    890,692.86x = 1,335,336.57 × 441,568.38
  4. Step 4: Simplify right side
    890,692.86x = 589,642,405,969.66
  5. Step 5: Solve for x
    x = 589,642,405,969.66/890,692.86
  6. Step 6: Final answer
    x = 662,004.19

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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.