Home / 857,743.84-1,183,692.24-475,777.12

Finding the Fourth Proportional to 857,743.84, 1,183,692.24 and 475,777.12

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Solution

The fourth proportional to 857,743.84, 1,183,692.24 and 475,777.12 is: 656,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,743.84 : 1,183,692.24 = 475,777.12 : x
  2. Step 2: Convert to fraction form
    857,743.84/1,183,692.24 = 475,777.12/x
  3. Step 3: Cross multiply
    857,743.84x = 1,183,692.24 × 475,777.12
  4. Step 4: Simplify right side
    857,743.84x = 563,173,684,913.55
  5. Step 5: Solve for x
    x = 563,173,684,913.55/857,743.84
  6. Step 6: Final answer
    x = 656,575.61

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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.