Home / 1,066,855.16-1,600,441.86-392,884.76

Finding the Fourth Proportional to 1,066,855.16, 1,600,441.86 and 392,884.76

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Solution

The fourth proportional to 1,066,855.16, 1,600,441.86 and 392,884.76 is: 589,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,855.16 : 1,600,441.86 = 392,884.76 : x
  2. Step 2: Convert to fraction form
    1,066,855.16/1,600,441.86 = 392,884.76/x
  3. Step 3: Cross multiply
    1,066,855.16x = 1,600,441.86 × 392,884.76
  4. Step 4: Simplify right side
    1,066,855.16x = 628,789,216,060.05
  5. Step 5: Solve for x
    x = 628,789,216,060.05/1,066,855.16
  6. Step 6: Final answer
    x = 589,385.74

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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.