Home / 927,840.22-1,391,981.76-328,853.72

Finding the Fourth Proportional to 927,840.22, 1,391,981.76 and 328,853.72

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Solution

The fourth proportional to 927,840.22, 1,391,981.76 and 328,853.72 is: 493,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,840.22 : 1,391,981.76 = 328,853.72 : x
  2. Step 2: Convert to fraction form
    927,840.22/1,391,981.76 = 328,853.72/x
  3. Step 3: Cross multiply
    927,840.22x = 1,391,981.76 × 328,853.72
  4. Step 4: Simplify right side
    927,840.22x = 457,758,383,428.10
  5. Step 5: Solve for x
    x = 457,758,383,428.10/927,840.22
  6. Step 6: Final answer
    x = 493,359.07

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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.