Home / 671,256.23-1,006,784.34-221,979.45

Finding the Fourth Proportional to 671,256.23, 1,006,784.34 and 221,979.45

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Solution

The fourth proportional to 671,256.23, 1,006,784.34 and 221,979.45 is: 332,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,256.23 : 1,006,784.34 = 221,979.45 : x
  2. Step 2: Convert to fraction form
    671,256.23/1,006,784.34 = 221,979.45/x
  3. Step 3: Cross multiply
    671,256.23x = 1,006,784.34 × 221,979.45
  4. Step 4: Simplify right side
    671,256.23x = 223,485,437,004.83
  5. Step 5: Solve for x
    x = 223,485,437,004.83/671,256.23
  6. Step 6: Final answer
    x = 332,936.11

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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.