Home / 806,736.80-1,210,105.20-526,570.40

Finding the Fourth Proportional to 806,736.80, 1,210,105.20 and 526,570.40

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Solution

The fourth proportional to 806,736.80, 1,210,105.20 and 526,570.40 is: 789,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,736.80 : 1,210,105.20 = 526,570.40 : x
  2. Step 2: Convert to fraction form
    806,736.80/1,210,105.20 = 526,570.40/x
  3. Step 3: Cross multiply
    806,736.80x = 1,210,105.20 × 526,570.40
  4. Step 4: Simplify right side
    806,736.80x = 637,205,579,206.08
  5. Step 5: Solve for x
    x = 637,205,579,206.08/806,736.80
  6. Step 6: Final answer
    x = 789,855.60

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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.