Home / 571,079.43-856,621.08-144,615.11

Finding the Fourth Proportional to 571,079.43, 856,621.08 and 144,615.11

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Solution

The fourth proportional to 571,079.43, 856,621.08 and 144,615.11 is: 216,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,079.43 : 856,621.08 = 144,615.11 : x
  2. Step 2: Convert to fraction form
    571,079.43/856,621.08 = 144,615.11/x
  3. Step 3: Cross multiply
    571,079.43x = 856,621.08 × 144,615.11
  4. Step 4: Simplify right side
    571,079.43x = 123,880,347,429.41
  5. Step 5: Solve for x
    x = 123,880,347,429.41/571,079.43
  6. Step 6: Final answer
    x = 216,923.15

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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.