Home / 571,581.32-856,684.28-211,465.04

Finding the Fourth Proportional to 571,581.32, 856,684.28 and 211,465.04

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Solution

The fourth proportional to 571,581.32, 856,684.28 and 211,465.04 is: 316,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,581.32 : 856,684.28 = 211,465.04 : x
  2. Step 2: Convert to fraction form
    571,581.32/856,684.28 = 211,465.04/x
  3. Step 3: Cross multiply
    571,581.32x = 856,684.28 × 211,465.04
  4. Step 4: Simplify right side
    571,581.32x = 181,158,775,537.57
  5. Step 5: Solve for x
    x = 181,158,775,537.57/571,581.32
  6. Step 6: Final answer
    x = 316,943.14

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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.