Home / 1,545,080.45-2,132,215.63-856,800.77

Finding the Fourth Proportional to 1,545,080.45, 2,132,215.63 and 856,800.77

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Solution

The fourth proportional to 1,545,080.45, 2,132,215.63 and 856,800.77 is: 1,182,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,080.45 : 2,132,215.63 = 856,800.77 : x
  2. Step 2: Convert to fraction form
    1,545,080.45/2,132,215.63 = 856,800.77/x
  3. Step 3: Cross multiply
    1,545,080.45x = 2,132,215.63 × 856,800.77
  4. Step 4: Simplify right side
    1,545,080.45x = 1,826,883,980,786.96
  5. Step 5: Solve for x
    x = 1,826,883,980,786.96/1,545,080.45
  6. Step 6: Final answer
    x = 1,182,387.61

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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.