Home / 806,775.60-1,210,163.40-523,340.40

Finding the Fourth Proportional to 806,775.60, 1,210,163.40 and 523,340.40

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Solution

The fourth proportional to 806,775.60, 1,210,163.40 and 523,340.40 is: 785,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,775.60 : 1,210,163.40 = 523,340.40 : x
  2. Step 2: Convert to fraction form
    806,775.60/1,210,163.40 = 523,340.40/x
  3. Step 3: Cross multiply
    806,775.60x = 1,210,163.40 × 523,340.40
  4. Step 4: Simplify right side
    806,775.60x = 633,327,397,821.36
  5. Step 5: Solve for x
    x = 633,327,397,821.36/806,775.60
  6. Step 6: Final answer
    x = 785,010.60

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Double scale
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Similar ratio
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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.