Home / 965,629.20-1,448,443.80-517,731.60

Finding the Fourth Proportional to 965,629.20, 1,448,443.80 and 517,731.60

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Solution

The fourth proportional to 965,629.20, 1,448,443.80 and 517,731.60 is: 776,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,629.20 : 1,448,443.80 = 517,731.60 : x
  2. Step 2: Convert to fraction form
    965,629.20/1,448,443.80 = 517,731.60/x
  3. Step 3: Cross multiply
    965,629.20x = 1,448,443.80 × 517,731.60
  4. Step 4: Simplify right side
    965,629.20x = 749,905,126,084.08
  5. Step 5: Solve for x
    x = 749,905,126,084.08/965,629.20
  6. Step 6: Final answer
    x = 776,597.40

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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.