Home / 922,785.90-1,383,194.70-353,947.20

Finding the Fourth Proportional to 922,785.90, 1,383,194.70 and 353,947.20

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Solution

The fourth proportional to 922,785.90, 1,383,194.70 and 353,947.20 is: 530,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,785.90 : 1,383,194.70 = 353,947.20 : x
  2. Step 2: Convert to fraction form
    922,785.90/1,383,194.70 = 353,947.20/x
  3. Step 3: Cross multiply
    922,785.90x = 1,383,194.70 × 353,947.20
  4. Step 4: Simplify right side
    922,785.90x = 489,577,891,119.84
  5. Step 5: Solve for x
    x = 489,577,891,119.84/922,785.90
  6. Step 6: Final answer
    x = 530,543.32

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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.