Home / 571,536.32-857,195.15-287,148.06

Finding the Fourth Proportional to 571,536.32, 857,195.15 and 287,148.06

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Solution

The fourth proportional to 571,536.32, 857,195.15 and 287,148.06 is: 430,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,536.32 : 857,195.15 = 287,148.06 : x
  2. Step 2: Convert to fraction form
    571,536.32/857,195.15 = 287,148.06/x
  3. Step 3: Cross multiply
    571,536.32x = 857,195.15 × 287,148.06
  4. Step 4: Simplify right side
    571,536.32x = 246,141,922,928.17
  5. Step 5: Solve for x
    x = 246,141,922,928.17/571,536.32
  6. Step 6: Final answer
    x = 430,667.16

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Similar ratio
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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.