Home / 1,127,472.76-1,691,029.11-328,567.43

Finding the Fourth Proportional to 1,127,472.76, 1,691,029.11 and 328,567.43

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Solution

The fourth proportional to 1,127,472.76, 1,691,029.11 and 328,567.43 is: 492,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,472.76 : 1,691,029.11 = 328,567.43 : x
  2. Step 2: Convert to fraction form
    1,127,472.76/1,691,029.11 = 328,567.43/x
  3. Step 3: Cross multiply
    1,127,472.76x = 1,691,029.11 × 328,567.43
  4. Step 4: Simplify right side
    1,127,472.76x = 555,617,091,723.33
  5. Step 5: Solve for x
    x = 555,617,091,723.33/1,127,472.76
  6. Step 6: Final answer
    x = 492,798.68

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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.