Home / 922,784.40-1,383,192.45-353,945.70

Finding the Fourth Proportional to 922,784.40, 1,383,192.45 and 353,945.70

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Solution

The fourth proportional to 922,784.40, 1,383,192.45 and 353,945.70 is: 530,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,784.40 : 1,383,192.45 = 353,945.70 : x
  2. Step 2: Convert to fraction form
    922,784.40/1,383,192.45 = 353,945.70/x
  3. Step 3: Cross multiply
    922,784.40x = 1,383,192.45 × 353,945.70
  4. Step 4: Simplify right side
    922,784.40x = 489,575,019,949.97
  5. Step 5: Solve for x
    x = 489,575,019,949.97/922,784.40
  6. Step 6: Final answer
    x = 530,541.07

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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.