Home / 1,057,186.08-1,585,764.95-258,474.51

Finding the Fourth Proportional to 1,057,186.08, 1,585,764.95 and 258,474.51

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Solution

The fourth proportional to 1,057,186.08, 1,585,764.95 and 258,474.51 is: 387,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,186.08 : 1,585,764.95 = 258,474.51 : x
  2. Step 2: Convert to fraction form
    1,057,186.08/1,585,764.95 = 258,474.51/x
  3. Step 3: Cross multiply
    1,057,186.08x = 1,585,764.95 × 258,474.51
  4. Step 4: Simplify right side
    1,057,186.08x = 409,879,817,134.05
  5. Step 5: Solve for x
    x = 409,879,817,134.05/1,057,186.08
  6. Step 6: Final answer
    x = 387,708.30

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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.