Home / 571,628.64-857,775.06-256,085.55

Finding the Fourth Proportional to 571,628.64, 857,775.06 and 256,085.55

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Solution

The fourth proportional to 571,628.64, 857,775.06 and 256,085.55 is: 384,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,628.64 : 857,775.06 = 256,085.55 : x
  2. Step 2: Convert to fraction form
    571,628.64/857,775.06 = 256,085.55/x
  3. Step 3: Cross multiply
    571,628.64x = 857,775.06 × 256,085.55
  4. Step 4: Simplify right side
    571,628.64x = 219,663,798,016.38
  5. Step 5: Solve for x
    x = 219,663,798,016.38/571,628.64
  6. Step 6: Final answer
    x = 384,277.10

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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.