Home / 776,873.20-1,165,309.80-528,041.20

Finding the Fourth Proportional to 776,873.20, 1,165,309.80 and 528,041.20

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Solution

The fourth proportional to 776,873.20, 1,165,309.80 and 528,041.20 is: 792,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,873.20 : 1,165,309.80 = 528,041.20 : x
  2. Step 2: Convert to fraction form
    776,873.20/1,165,309.80 = 528,041.20/x
  3. Step 3: Cross multiply
    776,873.20x = 1,165,309.80 × 528,041.20
  4. Step 4: Simplify right side
    776,873.20x = 615,331,585,163.76
  5. Step 5: Solve for x
    x = 615,331,585,163.76/776,873.20
  6. Step 6: Final answer
    x = 792,061.80

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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.