Home / 806,043.80-1,209,065.70-681,627.80

Finding the Fourth Proportional to 806,043.80, 1,209,065.70 and 681,627.80

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Solution

The fourth proportional to 806,043.80, 1,209,065.70 and 681,627.80 is: 1,022,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,043.80 : 1,209,065.70 = 681,627.80 : x
  2. Step 2: Convert to fraction form
    806,043.80/1,209,065.70 = 681,627.80/x
  3. Step 3: Cross multiply
    806,043.80x = 1,209,065.70 × 681,627.80
  4. Step 4: Simplify right side
    806,043.80x = 824,132,793,146.46
  5. Step 5: Solve for x
    x = 824,132,793,146.46/806,043.80
  6. Step 6: Final answer
    x = 1,022,441.70

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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.