Home / 571,947.42-857,927.21-172,591.71

Finding the Fourth Proportional to 571,947.42, 857,927.21 and 172,591.71

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Solution

The fourth proportional to 571,947.42, 857,927.21 and 172,591.71 is: 258,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,947.42 : 857,927.21 = 172,591.71 : x
  2. Step 2: Convert to fraction form
    571,947.42/857,927.21 = 172,591.71/x
  3. Step 3: Cross multiply
    571,947.42x = 857,927.21 × 172,591.71
  4. Step 4: Simplify right side
    571,947.42x = 148,071,119,076.84
  5. Step 5: Solve for x
    x = 148,071,119,076.84/571,947.42
  6. Step 6: Final answer
    x = 258,889.39

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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.