Home / 571,085.66-856,630.46-144,621.37

Finding the Fourth Proportional to 571,085.66, 856,630.46 and 144,621.37

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Solution

The fourth proportional to 571,085.66, 856,630.46 and 144,621.37 is: 216,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,085.66 : 856,630.46 = 144,621.37 : x
  2. Step 2: Convert to fraction form
    571,085.66/856,630.46 = 144,621.37/x
  3. Step 3: Cross multiply
    571,085.66x = 856,630.46 × 144,621.37
  4. Step 4: Simplify right side
    571,085.66x = 123,887,068,928.91
  5. Step 5: Solve for x
    x = 123,887,068,928.91/571,085.66
  6. Step 6: Final answer
    x = 216,932.55

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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.