Home / 872,163.60-1,308,245.40-819,632.40

Finding the Fourth Proportional to 872,163.60, 1,308,245.40 and 819,632.40

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Solution

The fourth proportional to 872,163.60, 1,308,245.40 and 819,632.40 is: 1,229,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,163.60 : 1,308,245.40 = 819,632.40 : x
  2. Step 2: Convert to fraction form
    872,163.60/1,308,245.40 = 819,632.40/x
  3. Step 3: Cross multiply
    872,163.60x = 1,308,245.40 × 819,632.40
  4. Step 4: Simplify right side
    872,163.60x = 1,072,280,316,990.96
  5. Step 5: Solve for x
    x = 1,072,280,316,990.96/872,163.60
  6. Step 6: Final answer
    x = 1,229,448.60

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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.